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  • A kayaker displays a piece of glacial ice found floating in the Muir Inlet of Glacier Bay National Park. The piece of ice is from the retreating McBride Glacier. Recent research determined that there is 11% less glacial ice in Glacier Bay than in the 1950s. Still even with the earth’s rapidly changing climate, Glacier Bay is home to a few stable glaciers due to heavy snowfall in the nearby Fairweather Mountains. <br />
<br />
Glacier Bay National Park is located in southeast Alaska. The park is also an important marine wilderness area known for its spectacular tidewater glaciers, icefields, and tall coastal mountains. The park, a popular destination for cruise ships, is also known for its sea kayaking and wildlife viewing opportunities. <br />
<br />
Glacier Bay National Park is home to humpback whales, which feed in the park's protected waters during the summer, both black and grizzly bears, moose, wolves, sea otters, harbor seals, Steller sea lions, and numerous species of sea birds. <br />
<br />
The dynamically changing park, known for its large, contiguous, intact ecosystems, is a United Nations biosphere reserve and a UNESCO World Heritage site.
    Glacial ice.jpg
  • Ice forms on the Chilkat River as the sun bathes the mountains of Takhin Ridge including Chunekukleik Mountain in early morning sunlight at sunrise. The fog-like layer is blowing dust from the river's silt. During late fall, bald eagles congregate along the Chilkat River to feed on salmon. This gathering of bald eagles in the Alaska Chilkat Bald Eagle Preserve is believed to be one of the largest gatherings of bald eagles in the world.
    Chilkat River ice sunrise.jpg
  • The golden light of sunrise causes ice covered trees to sparkle at the confluence of the Tsirku and Chilkat Rivers in the Alaska Chilkat Bald Eagle Preserve. During November and December several thousand bald eagles come to the alluvial delta area at the confluence of the Tsirku and Chilkat Rivers near Haines, Alaska because of the availability of spawned-out salmon and open waters. The open water is due to a deep accumulation of gravel and sand that acts as a large water reservoir whose water temperature remains 10 to 20 degrees warmer than the surrounding water temperature. This warmer water seeps into the Chilkat River, keeping a five mile stretch of the river from freezing as quickly as other rivers in the area. The 48,000 acre area was designated as the Alaska Chilkat Bald Eagle Preserve in 1982.
    Golden light on ice covered trees.jpg
  • A bald eagle (Haliaeetus leucocephalus) sits on a log on the bank of the Chilkat River in the Alaska Chilkat Bald Eagle Preserve near Haines, Alaska. During November and December several thousand bald eagles come to the alluvial delta area at the confluence of the Tsirku and Chilkat Rivers because of the availability of spawned-out salmon and open waters. The open water is due to a deep accumulation of gravel and sand that acts as a large water reservoir whose water temperature remains 10 to 20 degrees warmer than the surrounding water temperature. This warmer water seeps into the Chilkat River, keeping a five mile stretch of the river from freezing as quickly as other rivers in the area. The 48,000 acre area was designated as the Alaska Chilkat Bald Eagle Preserve in 1982.
    Bald eagle and Chilkat River ice.jpg
  • A kayaker kayaks past a small iceberg floating in the Muir Inlet of Glacier Bay National Park. This piece of glacial ice is technically not an iceberg due to its small size. The size category for an iceberg is huge, with the height of the ice must be greater than 16 feet above sea level, a thickness of 98-164 feet, with a coverage area greater than 5,382 square feet. Next size down is bergy bits (height less than 16 feet above sea level but greater than three feet), then growlers (less than three feet above sea level - the size of a truck or grand piano), and then brash ice.<br />
<br />
The piece of ice is from the retreating McBride Glacier. Recent research determined that there is 11% less glacial ice in Glacier Bay than in the 1950s. Still, even with the earth’s rapidly changing climate, Glacier Bay is home to a few stable glaciers due to heavy snowfall in the nearby Fairweather Mountains. <br />
<br />
Glacier Bay National Park is located in southeast Alaska. The park is also an important marine wilderness area known for its spectacular tidewater glaciers, icefields, and tall coastal mountains. The park, a popular destination for cruise ships, is also known for its sea kayaking and wildlife viewing opportunities. <br />
<br />
Glacier Bay National Park is home to humpback whales, which feed in the park's protected waters during the summer, both black and grizzly bears, moose, wolves, sea otters, harbor seals, Steller sea lions, and numerous species of sea birds. <br />
<br />
The dynamically changing park, known for its large, contiguous, intact ecosystems, is a United Nations biosphere reserve and a UNESCO World Heritage site.
    Kayaker and iceberg.jpg
  • A kayaker kayaks past a small iceberg floating in the Muir Inlet of Glacier Bay National Park. This piece of glacial ice is technically not an iceberg due to its small size. The size category for an iceberg is huge, with the height of the ice must be greater than 16 feet above sea level, a thickness of 98-164 feet, with a coverage area greater than 5,382 square feet. Next size down is bergy bits (height less than 16 feet above sea level but greater than three feet), then growlers (less than three feet above sea level - the size of a truck or grand piano), and then brash ice.<br />
<br />
The piece of ice is from the retreating McBride Glacier. Recent research determined that there is 11% less glacial ice in Glacier Bay than in the 1950s. Still, even with the earth’s rapidly changing climate, Glacier Bay is home to a few stable glaciers due to heavy snowfall in the nearby Fairweather Mountains. <br />
<br />
Glacier Bay National Park is located in southeast Alaska. The park is also an important marine wilderness area known for its spectacular tidewater glaciers, icefields, and tall coastal mountains. The park, a popular destination for cruise ships, is also known for its sea kayaking and wildlife viewing opportunities. <br />
<br />
Glacier Bay National Park is home to humpback whales, which feed in the park's protected waters during the summer, both black and grizzly bears, moose, wolves, sea otters, harbor seals, Steller sea lions, and numerous species of sea birds. <br />
<br />
The dynamically changing park, known for its large, contiguous, intact ecosystems, is a United Nations biosphere reserve and a UNESCO World Heritage site.
    Kayaker and iceberg-2.jpg
  • Snow and ice on the Snow Goose Pool Complex at Loess Bluffs NWR (formerly known as Squaw Creek). Loess Bluffs is a wildlife refuge managed by the U.S. Fish and Wildlife Service. The 7,440-acre refuge, located in northwest Missouri is known for the migrating waterfowl, particularly Snow Geese. Fall and Spring migration can bring millions of Snow Geese to the refuge. Also, bald eagles and an occasional golden eagle pass through the area during the fall and winter months. <br />
<br />
The 10-mile auto tour around the waterways and marshes of the refuge is an excellent way to spot birds of prey, waterfowl, beavers, otters, and muskrats.
    Pond scene, Loess Bluffs NWR-2.jpg
  • A bald eagle (Haliaeetus leucocephalus) flies with a salmon carcass past ice covered trees sparkling in the golden light of sunrise at the confluence of the Tsirku and Chilkat Rivers in the Alaska Chilkat Bald Eagle Preserve. During November and December several thousand bald eagles come to the alluvial delta area at the confluence of the Tsirku and Chilkat Rivers near Haines, Alaska because of the availability of spawned-out salmon and open waters. The open water is due to a deep accumulation of gravel and sand that acts as a large water reservoir whose water temperature remains 10 to 20 degrees warmer than the surrounding water temperature. This warmer water seeps into the Chilkat River, keeping a five mile stretch of the river from freezing as quickly as other rivers in the area. The 48,000 acre area was designated as the Alaska Chilkat Bald Eagle Preserve in 1982.
    Bald eagle flying with fish in golde...jpg
  • Ice slowly begins to form on the Chilkat River in the Alaska Chilkat Bald Eagle Preserve near Haines, Alaska. During November and December several thousand bald eagles come to the alluvial delta area at the confluence of the Tsirku and Chilkat Rivers because of the availability of spawned-out salmon and open waters. The open water is due to a deep accumulation of gravel and sand that acts as a large water reservoir whose water temperature remains 10 to 20 degrees warmer than the surrounding water temperature. This warmer water seeps into the Chilkat River, keeping a five mile stretch of the river from freezing as quickly as other rivers in the area. The 48,000 acre area was designated as the Alaska Chilkat Bald Eagle Preserve in 1982. The mountain the background is Four Winds Mountain. Mountains in the Haines area are a popular destination for heli-skiing.
    Four Winds Mountain snow scene 3.jpg
  • Ice slowly begins to form on the Chilkat River in the Alaska Chilkat Bald Eagle Preserve near Haines, Alaska. During November and December several thousand bald eagles come to the alluvial delta area at the confluence of the Tsirku and Chilkat Rivers because of the availability of spawned-out salmon and open waters. The open water is due to a deep accumulation of gravel and sand that acts as a large water reservoir whose water temperature remains 10 to 20 degrees warmer than the surrounding water temperature. This warmer water seeps into the Chilkat River, keeping a five mile stretch of the river from freezing as quickly as other rivers in the area. The 48,000 acre area was designated as the Alaska Chilkat Bald Eagle Preserve in 1982. The mountain the background is Four Winds Mountain. Mountains in the Haines area are a popular destination for heli-skiing.
    Four Winds Mountain snow scene 2.jpg
  • The retreating McBride Glacier, located just off the Muir Inlet in Glacier Bay National Park and Preserve in southeast Alaska, is the most active glacier and only tidewater glacier in the Muir Inlet. McBride Glacier is approximately 1⁄2 mile wide and 14 miles long. Its ice face is approximately 200 feet high above the water and extends about 270 feet below it. This aerial photo, shot after an early November snow storm, shows Icebergs from the calving glacier traveling down the McBride Glacier inlet to the main Muir Inlet. The mountain ridge at left foreground is McConnell Ridge.
    McBride Glacier aerial.jpg
  • Icebergs from McBride Glacier pool together in McBride Inlet located just off the Muir Inlet in Glacier Bay National Park and Preserve in southeast Alaska. The McBride Glacier, the most active glacier and only tidewater glacier in the Muir Inlet, is retreating. In 1966 the terminus of the glacier was roughly where the ice in the foreground is. In this 2011 photo the glacier's terminus is approximately 3.5 miles away. The mountain peak in the background is Coleman Peak. McBride Glacier is one of the park's seven tidewater glaciers.
    McBride Glacier.jpg
  • Ice slowly begins to form on the Chilkat River at sunrise in the Alaska Chilkat Bald Eagle Preserve near Haines, Alaska. During November and December several thousand bald eagles come to the alluvial delta area at the confluence of the Tsirku and Chilkat Rivers because of the availability of spawned-out salmon and open waters. The open water is due to a deep accumulation of gravel and sand that acts as a large water reservoir whose water temperature remains 10 to 20 degrees warmer than the surrounding water temperature. This warmer water seeps into the Chilkat River, keeping a five mile stretch of the river from freezing as quickly as other rivers in the area. The 48,000 acre area was designated as the Alaska Chilkat Bald Eagle Preserve in 1982.
    Chilkat River morning sunrise.jpg
  • Ice slowly begins to form on the Chilkat River at sunrise in the Alaska Chilkat Bald Eagle Preserve near Haines, Alaska. During November and December several thousand bald eagles come to the alluvial delta area at the confluence of the Tsirku and Chilkat Rivers because of the availability of spawned-out salmon and open waters. The open water is due to a deep accumulation of gravel and sand that acts as a large water reservoir whose water temperature remains 10 to 20 degrees warmer than the surrounding water temperature. This warmer water seeps into the Chilkat River, keeping a five mile stretch of the river from freezing as quickly as other rivers in the area. The 48,000 acre area was designated as the Alaska Chilkat Bald Eagle Preserve in 1982.
    Chilkat River sunrise 2.jpg
  • Ice slowly begins to form on the Chilkat River at sunrise in the Alaska Chilkat Bald Eagle Preserve near Haines, Alaska. During November and December several thousand bald eagles come to the alluvial delta area at the confluence of the Tsirku and Chilkat Rivers because of the availability of spawned-out salmon and open waters. The open water is due to a deep accumulation of gravel and sand that acts as a large water reservoir whose water temperature remains 10 to 20 degrees warmer than the surrounding water temperature. This warmer water seeps into the Chilkat River, keeping a five mile stretch of the river from freezing as quickly as other rivers in the area. The 48,000 acre area was designated as the Alaska Chilkat Bald Eagle Preserve in 1982.
    Chilkat River sunrise 1.jpg
  • The retreating McBride Glacier, located just off the Muir Inlet in Glacier Bay National Park and Preserve in southeast Alaska, is the most active glacier and only tidewater glacier in the Muir Inlet. McBride Glacier is approximately 1⁄2 mile wide and 14 miles long. Its ice face is approximately 200 feet high above the water and extends about 270 feet below it. This aerial photo, shot after an early November snow storm, shows Icebergs from the calving glacier traveling down the McBride Glacier inlet to the main Muir Inlet. The mountain ridge in the center is McConnell Ridge.
    McBride Glacier, icebergs aerial.jpg
  • James Balog (center), an award winning nature and environmental photojournalist, answers questions from photojournalism students in the gallery of the Angus and Betty McDougall Center for Photojournalism Studies at the Missouri School of Journalism in Columbia, Missouri. Balog was at the university to receive a Missouri Honor Medal In recognition of three decades of using the photographic image to help the public understand the impact of environmental change. Balog is the founder and director of the Extreme Ice Survey (EIS) and the Earth Vision Trust.
    James Balog.jpg
  • Photographers capture the sunrise on the ice-laden Chilkat River in the Alaska Chilkat Bald Eagle Preserve along the Chilkat River near Haines, Alaska. Photographers from around the world come to the Chilkat River to photograph bald eagles. During November and December several thousand bald eagles are seen along the river allowing for ample opportunities to photograph the birds along with beautiful scenery that the area offers. In 1982, the 48,000 acre area was designated as the Alaska Chilkat Bald Eagle Preserve.
    Chilkat River sunrise photographers.jpg
  • A lone bald eagle (Haliaeetus leucocephalus) flies above the ice-laden Chilkat River during sunrise in the Alaska Chilkat Bald Eagle Preserve near Haines, Alaska. Photographers from around the world come to the Chilkat River to photograph bald eagles. During November and December several thousand bald eagles are seen along the river allowing for ample opportunities to photograph the birds along with beautiful scenery that the area offers. In 1982, the 48,000 acre area was designated as the Alaska Chilkat Bald Eagle Preserve.
    Chilkat River sunrise with bald eagl...jpg
  • A lone bald eagle (Haliaeetus leucocephalus) flies above the ice-laden Chilkat River during sunrise in the Alaska Chilkat Bald Eagle Preserve near Haines, Alaska. Photographers from around the world come to the Chilkat River to photograph bald eagles. During November and December several thousand bald eagles are seen along the river allowing for ample opportunities to photograph the birds along with beautiful scenery that the area offers. In 1982, the 48,000 acre area was designated as the Alaska Chilkat Bald Eagle Preserve.
    Chilkat River sunrise with bald eagl...jpg
  • A lone bald eagle (Haliaeetus leucocephalus) flies above the ice-laden Chilkat River during sunrise in the Alaska Chilkat Bald Eagle Preserve near Haines, Alaska. Photographers from around the world come to the Chilkat River to photograph bald eagles. During November and December several thousand bald eagles are seen along the river allowing for ample opportunities to photograph the birds along with beautiful scenery that the area offers. In 1982, the 48,000 acre area was designated as the Alaska Chilkat Bald Eagle Preserve.
    Chilkat River sunrise with bald eagl...jpg
  • The sun rises on the ice-laden Chilkat River near Haines, Alaska. In the distance are the mountains of the Kakuhan Range along the Lynn Canal, including Sinclair Mountain.
    Sunrise on the Chilkat River.jpg
  • Sunset over the Cattail Pool at Loess Bluffs NWR (formerly known as Squaw Creek). Loess Bluffs is a wildlife refuge managed by the U.S. Fish and Wildlife Service. The 7,440-acre refuge, located in northwest Missouri is known for the migrating waterfowl, particularly Snow Geese. Fall and Spring migration can bring millions of Snow Geese to the refuge. Also, bald eagles and an occasional golden eagle pass through the area during the fall and winter months. <br />
<br />
The 10-mile auto tour around the waterways and marshes of the refuge is an excellent way to spot birds of prey, waterfowl, beavers, otters, and muskrats.
    Sunset at Loess Bluffs NWR-2.jpg
  • The upper snowfield of the Casement Glacier is seen in this aerial photo taken along the border of Glacier Bay National Park and Preserve near Mount Rice and the town of Haines in southeast Alaska.
    Casement Glacier icefield aerial.jpg
  • A kayaker examines an iceberg from the McBride Glacier on a Muir Inlet beach near Van Horn Ridge in Glacier National Park and Preserve in southeast Alaska.
    Kayaker with McBride Glacier iceberg...jpg
  • The Mendenhall Glacier runs roughly 12 miles, originating in the Juneau Icefield, near Juneau, Alaska. The US Forest Service visitor center at the glacier, dedicated in 1963, was the first such center in the nation. The glacier is located 12 miles from downtown Juneau. Each year, 465,000 curise ship passengers visit the Mendenhall Glacier.
    Mendenhall Glacier-2.jpg
  • Sunrise over the Pelican Pool at Loess Bluffs NWR (formerly known as Squaw Creek). Loess Bluffs is a wildlife refuge managed by the U.S. Fish and Wildlife Service. The 7,440-acre refuge, located in northwest Missouri is known for the migrating waterfowl, particularly Snow Geese. Fall and Spring migration can bring millions of Snow Geese to the refuge. Also, bald eagles and an occasional golden eagle pass through the area during the fall and winter months. <br />
<br />
The 10-mile auto tour around the waterways and marshes of the refuge is an excellent way to spot birds of prey, waterfowl, beavers, otters, and muskrats.
    Pond scene, Loess Bluffs NWR.jpg
  • An injured coyote makes his way across the frozen and snow covered pond of the Snow Goose Complex at Loess Bluffs NWR (formerly known as Squaw Creek). Loess Bluffs is a wildlife refuge managed by the U.S. Fish and Wildlife Service. The 7,440-acre refuge, located in northwest Missouri is known for the migrating waterfowl, particularly Snow Geese. Fall and Spring migration can bring millions of Snow Geese to the refuge. Also, bald eagles and an occasional golden eagle pass through the area during the fall and winter months. <br />
<br />
The 10-mile auto tour around the waterways and marshes of the refuge is an excellent way to spot birds of prey, waterfowl, beavers, otters, and muskrats.
    Coyote at Loess Bluffs-2.jpg
  • The 19-mile long Fairweather Glacier flows past the Lituya Mountain (left) in Glacier Bay National Park and Preserve.<br />
<br />
Glacier Bay National Park is located in southeast Alaska. Known for its spectacular tidewater glaciers, icefields, and tall costal mountains, the park is also an important marine wilderness area. The park a popular destination for cruise ships, is also known for its sea kayaking and wildlife viewing opportunities. <br />
<br />
Glacier Bay National Park is home to humpback whales which feed in the park's protected waters during the summer, both black and grizzly bears, moose, wolves, sea otters, harbor seals, steller's sea lions and numerous species of sea birds. <br />
<br />
The dynamically changing park, known for its large, contiguous, intact ecosystems, is a United Nations biosphere reserve and a UNESCO World Heritage site.
    Fairweather Glacier.jpg
  • The Mendenhall Glacier runs roughly 12 miles, originating in the Juneau Icefield, near Juneau, Alaska. This photo of the glacier was taken on the Trail of Time. The glacier is located 12 miles from downtown Juneau. Each year, 465,000 curise ship passengers visit the Mendenhall Glacier.
    Mendenhall Glacier in the fall.jpg
  • A full moon sets above the partially frozen Chilkat River near Haines, Alaska. During late fall, bald eagles congregate along the Chilkat River to feed on salmon. This gathering of bald eagles in the Alaska Chilkat Bald Eagle Preserve is believed to be one of the largest gatherings of bald eagles in the world.
    Chilkat River setting moon.jpg
  • Early morning sunlight reaches the top peaks of Mt. Emmerich as fog-like blowing dust from the silt of banks the Chilkat River blows down the river. During late fall, bald eagles congregate along the Chilkat River to feed on salmon. This gathering of bald eagles in the Alaska Chilkat Bald Eagle Preserve is believed to be one of the largest gatherings of bald eagles in the world.
    Mt. Emmerich sunrise - 1.jpg
  • An iceberg from the McBride Glacier is stranded on a Muir Inlet beach during low tide near Van Horn Ridge. In the background is "The Nunatak." Muir Inlet is located in Glacier National Park and Preserve in southeast Alaska.
    McBride Glacier and The Nunatak.jpg
  • Icebergs from McBride Glacier rest in the intertidal area of a beach at the base of McConnell Ridge on Muir Inlet in Glacier Bay National Park and Preserve in southeast Alaska. The McBride Glacier, the most active glacier and only tidewater glacier in the Muir Inlet, is retreating. In the background is White Thunder Ridge.
    McConnell Ridge icebergs.jpg
  • Icebergs flowing out of the McBride Glacier inlet begin their journey down the Muir Inlet in Glacier Bay National Park and Preserve in southeast Alaska. In the background is White Thunder Ridge. As late as 1966, the faces of the retreating McBride and Riggs Glaciers were across from White Thunder Ridge. In 2011, the terminus of McBride Glacier is roughly 3.5 miles away. McBride Glacier is the only remaining tidewater glacier in the Muir Inlet.
    White Thunder Ridge icebergs.jpg
  • Icebergs float in Mendenhall Lake located at the terminus of the Mendenhall Glacier. Also pictured in the background is Mount Wrather. The Mendenhall Glacier runs roughly 12 miles, originating in the Juneau Icefield, near Juneau, Alaska. The glacier is located 12 miles from downtown Juneau. Each year, 465,000 curise ship passengers visit the Mendenhall Glacier.
    Glacier reflection.jpg
  • Icebergs reflect in Mendenhall Lake located at the terminus of the Mendenhall Glacier. The Mendenhall Glacier runs roughly 12 miles, originating in the Juneau Icefield, near Juneau, Alaska. The glacier is located 12 miles from downtown Juneau. Each year, 465,000 curise ship passengers visit the Mendenhall Glacier.
    Glacier iceberg reflection.jpg
  • An iceberg floats in Mendenhall Lake located at the terminus of the Mendenhall Glacier. Also reflected in the lake is Bullard Mountain and Nugget Falls. The glacier runs roughly 12 miles, originating in the Juneau Icefield, near Juneau, Alaska. The glacier is located 12 miles from downtown Juneau. Each year, 465,000 curise ship passengers visit the Mendenhall Glacier.
    Bullard Mountain reflection.jpg
  • Visitors to Mendenhall Glacier near Juneau, Alaska hike the short and easy Photo Point Trail for a look at icebergs from the Mendenhall Glacier. The glacier descends from the massive Juneau Icefield into Mendenhall Lake. Mendenhall Glacier is a popular spot for cruise ship passengers and it sees over 500,000 visitors a year.
    Mendenhall Glacier.jpg
  • An injured coyote makes his way across the frozen and snow covered pond of the Snow Goose Complex at Loess Bluffs NWR (formerly known as Squaw Creek). Loess Bluffs is a wildlife refuge managed by the U.S. Fish and Wildlife Service. The 7,440-acre refuge, located in northwest Missouri is known for the migrating waterfowl, particularly Snow Geese. Fall and Spring migration can bring millions of Snow Geese to the refuge. Also, bald eagles and an occasional golden eagle pass through the area during the fall and winter months. <br />
<br />
The 10-mile auto tour around the waterways and marshes of the refuge is an excellent way to spot birds of prey, waterfowl, beavers, otters, and muskrats.
    Coyote at Loess Bluffs-3.jpg
  • An injured coyote makes his way across the frozen and snow covered pond of the Snow Goose Complex at Loess Bluffs NWR  (formerly known as Squaw Creek). Loess Bluffs is a wildlife refuge managed by the U.S. Fish and Wildlife Service. The 7,440-acre refuge, located in northwest Missouri is known for the migrating waterfowl, particularly Snow Geese. Fall and Spring migration can bring millions of Snow Geese to the refuge. Also, bald eagles and an occasional golden eagle pass through the area during the fall and winter months. <br />
<br />
The 10-mile auto tour around the waterways and marshes of the refuge is an excellent way to spot birds of prey, waterfowl, beavers, otters, and muskrats.
    Coyote at Loess Bluffs.jpg
  • A small creek is partially frozen in the North Woods section of the Loess Bluffs NWR (formerly known as Squaw Creek). Loess Bluffs is a wildlife refuge managed by the U.S. Fish and Wildlife Service. The 7,440-acre refuge, located in northwest Missouri is known for the migrating waterfowl, particularly Snow Geese. Fall and Spring migration can bring millions of Snow Geese to the refuge. Also, bald eagles and an occasional golden eagle pass through the area during the fall and winter months. <br />
<br />
The 10-mile auto tour around the waterways and marshes of the refuge is an excellent way to spot birds of prey, waterfowl, beavers, otters, and muskrats.
    North Woods creek.jpg
  • Sunset over the Cattail Pool at Loess Bluffs NWR (formerly known as Squaw Creek). Loess Bluffs is a wildlife refuge managed by the U.S. Fish and Wildlife Service. The 7,440-acre refuge, located in northwest Missouri is known for the migrating waterfowl, particularly Snow Geese. Fall and Spring migration can bring millions of Snow Geese to the refuge. Also, bald eagles and an occasional golden eagle pass through the area during the fall and winter months. <br />
<br />
The 10-mile auto tour around the waterways and marshes of the refuge is an excellent way to spot birds of prey, waterfowl, beavers, otters, and muskrats.
    Sunset at Loess Bluffs NWR-3.jpg
  • Sunset over the Cattail Pool at Loess Bluffs NWR (formerly known as Squaw Creek). Loess Bluffs is a wildlife refuge managed by the U.S. Fish and Wildlife Service. The 7,440-acre refuge, located in northwest Missouri is known for the migrating waterfowl, particularly Snow Geese. Fall and Spring migration can bring millions of Snow Geese to the refuge. Also, bald eagles and an occasional golden eagle pass through the area during the fall and winter months. <br />
<br />
The 10-mile auto tour around the waterways and marshes of the refuge is an excellent way to spot birds of prey, waterfowl, beavers, otters, and muskrats.
    Sunset at Loess Bluffs NWR.jpg
  • The upper regions of the Tsirku and Buckwell Glaciers start in Tatshenshini-Alsek Provincial Park. The Tsirku Glacier (foreground) flows downward to become the Tsirku River, near Haines, Alaska and the Buckwell Glacier (upper right) flows to become Michael Creek which shortly connects with the O’Connor River. Tatshenshini-Alsek Provincial Park is located in the very northwestern corner of British Columbia, Canada. The park sits between Kluane National Park and Reserve in the Yukon and Glacier Bay and Wrangell-St. Elias National Parks and Preserves in Alaska. All together, they form the largest protected area in thew world, approximately 21 million acres. The Tatshenshini and Alsek Rivers are protected in their entirety making them the only large watershed in North America that is totally protected.<br />
<br />
The remote park is known for its spectacular glacier and icefields, rafting and kayaking, hiking and mountaineering. Tatshenshini-Alsek Provincial Park is home to grizzly bears, Dall's sheep, wolves, mountain goats, moose, eagles, falcons, and trumpeter swans.<br />
<br />
The park was designated a UNESCO World Heritage site in 1994.
    Tsirku Glacier and Tuckwell Glacier.jpg
  • An unidentified tourist on the daily tour boat, Baranof Wind,admires the face of Margerie Glacier, one of the seven tidewater glaciers in Glacier Bay National Park and Reserve in southeast Alaska. The Margerie Glacier is located on the Tarr Inlet next to another tidewater glacier, Grand Pacific Glacier. Margerie Glacier's one mile wide face has a total height of 350 feet, out of which 250 feet is above the water level and 100 feet is beneath the water surface. For comparison purposes the Statue of Liberty is 307 feet tall. The length of the glacier (2011) is approximately 21 miles. The mountain pictured is Mount Forde.
    Tourist views Margerie Glacier.jpg
  • Icebergs reflect in Mendenhall Lake located at the terminus of the Mendenhall Glacier. The Mendenhall Glacier runs roughly 12 miles, originating in the Juneau Icefield, near Juneau, Alaska. The glacier is located 12 miles from downtown Juneau.
    Glacier iceberg reflection-2.jpg
  • An injured coyote makes his way across the frozen and snow covered pond of the Snow Goose Complex at Loess Bluffs NWR (formerly known as Squaw Creek). Loess Bluffs is a wildlife refuge managed by the U.S. Fish and Wildlife Service. The 7,440-acre refuge, located in northwest Missouri is known for the migrating waterfowl, particularly Snow Geese. Fall and Spring migration can bring millions of Snow Geese to the refuge. Also, bald eagles and an occasional golden eagle pass through the area during the fall and winter months. <br />
<br />
The 10-mile auto tour around the waterways and marshes of the refuge is an excellent way to spot birds of prey, waterfowl, beavers, otters, and muskrats.
    Coyote at Loess Bluffs-4.jpg
  • The Mendenhall Glacier runs roughly 12 miles, originating in the Juneau Icefield, near Juneau, Alaska. This photo of the glacier was taken on the Trail of Time. The glacier is located 12 miles from downtown Juneau.
    Mendenhall Glacier in the fall.jpg
  • Examples of photographs available for licensing by John L. Dengler. Dengler Images, LLC specializes in outdoor images on outdoor topics including wildlife, nature, landscape, outdoor sports and recreation, travel, and our environment. Our  outdoor stock photo archive collection of images includes landscape and wildlife photos from Denali National Park in Alaska, bald eagles on the Chilkat River in Alaska, and other National Parks as diverse as Hawaii Volcanoes National Park and the National Tallgrass Prairie in Kansas. We also have done extensive whitewater kayaking and rafting photography on the Upper Gauley River in West Virginia.
    Examples of the types of outdoor ima...jpg
  • Steve Lewis, Raptor Management Coordinator, U.S. Fish & Wildlife Service (left), and Rachel Wheat, a graduate student at the University of California Santa Cruz, cross the partially frozen Chilkat River to remove the traps they set to catch bald eagles. The countless footsteps in the snow are testament to their pre-sunrise trips onto the gravel bar to set the traps under the cover of darkness and the late afternoon removal of the traps each day. Wheat is conducting a bald eagle migration study of eagles that visit the Chilkat River for her doctoral dissertation. She hopes to learn how closely eagles track salmon availability across time and space. The bald eagles are being tracked using solar-powered GPS satellite transmitters (also known as a PTT - platform transmitter terminal) that attach to the backs of the eagles using a lightweight harness. During late fall, bald eagles congregate along the Chilkat River to feed on salmon. This gathering of bald eagles in the Alaska Chilkat Bald Eagle Preserve is believed to be one of the largest gatherings of bald eagles in the world.
    Bald eagle migration research - 72.jpg
  • A bald eagle (Haliaeetus leucocephalus) sits on ice and scans the Chilkat River for salmon to eat in the Alaska Chilkat Bald Eagle Preserve near Haines, Alaska.
    Bald eagle on river ice.jpg
  • The main bay of Glacier Bay National Park and Preserve is vast, stretching 69 miles from its mouth to the furthest extent. It is hard to imagine that the area pictured (a small portion of the bay) was a single large glacier of solid ice only a little over 200 years ago. In the mid-1700s, this view (and quite a bit beyond) would have been covered by a glacier nearly a mile in thickness. Since then, the massive glacier that filled the bay has retreated 69 miles to the heads of various inlets. <br />
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Recent research determined that there is 11% less glacial ice in Glacier Bay  than in the 1950s. Still, even with the earth’s rapidly changing climate, Glacier Bay is home to a few stable glaciers due to heavy snowfall in the nearby Fairweather Mountains. <br />
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The pictured view is of the Beartrack Mountains looking from Tlingit Point on the left to North Marble Island and South Marble Island on the far right.<br />
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Glacier Bay National Park is located in southeast Alaska. The park is also an important marine wilderness area known for its spectacular tidewater glaciers, icefields, and tall coastal mountains. The park, a popular destination for cruise ships, is also known for its sea kayaking and wildlife viewing opportunities. <br />
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Glacier Bay National Park is home to humpback whales, which feed in the park's protected waters during the summer, both black and grizzly bears, moose, wolves, sea otters, harbor seals, Steller sea lions, and numerous species of sea birds. <br />
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The dynamically changing park, known for its large, contiguous, intact ecosystems, is a United Nations biosphere reserve and a UNESCO World Heritage site.<br />
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EDITOR’S NOTE: The image is a panoramic composite of several overlapping images.
    Beartrack Mountains panorama.jpg
  • Devil's Ice Box,is a cave/crevice known for the cool air that rushes out it’s mouth. Air enters the cave at a point higher on the mountainside and is cooled as it passes through the mountain to the mouth of the cave. The geologic feature is located along the Self-Guided Devil's Den Trail.<br />
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Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features such like crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today include cabins, trails, a dam, and shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails that are popular with hikers, mountain bikers and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) that passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) that leads to expansive views of the Lee Creek Valley.
    Devil's Den Icebox.jpg
  • Round-Leaved Groundsel, also known as Round-Leaved Ragwort (Packera obovata), blooms in Devil’s Den State Park. This plant is poisonous if eaten.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features, including crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today, include cabins, trails, a dam, and a shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails popular with hikers, mountain bikers, and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) which passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) which leads to expansive views of the Lee Creek Valley.
    Round-Leaved Groundsel.jpg
  • A hiker explores one of the many caves and crevices along the Devil’s Den Self-Guided Trail in Devil’s Den State Park.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features such like crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today include cabins, trails, a dam, and shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails that are popular with hikers, mountain bikers and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) that passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) that leads to expansive views of the Lee Creek Valley.
    Devil's Den Trail-2.jpg
  • The bluff at Yellow Rock provides a scenic view of Lee Creek and the Lee Creek Valley in Devil’s Den State Park. The Yellow Rock Trail leading to the is a CCC-constructed trail from the 1930s. It is also a designated part of the National Trails System. The main feature is the Yellow Rock, offering a scenic view of the Lee Creek Valley.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features, including crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today, include cabins, trails, a dam, and a shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails popular with hikers, mountain bikers, and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) which passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) which leads to expansive views of the Lee Creek Valley.
    Lee Creek Valley seen from Yellow Ro...jpg
  • Yellow Rock, seen from the Yellow Rock Trail in Devil’s Den State Park. The Yellow Rock Trail leads to this scenic overlook of the Lee Creek Valley. The Yellow Rock Trail is a CCC-constructed trail from the 1930s. It is also a designated part of the National Trails System. The main feature is the Yellow Rock, offering a scenic view of the Lee Creek Valley.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features, including crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today, include cabins, trails, a dam, and a shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails popular with hikers, mountain bikers, and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) which passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) which leads to expansive views of the Lee Creek Valley.
    Yellow Rock Overlook.jpg
  • Backlit leaves of a maple tree at sunset in Devil’s Den State Park.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features, including crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today, include cabins, trails, a dam, and a shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails popular with hikers, mountain bikers, and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) which passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) which leads to expansive views of the Lee Creek Valley.
    Backlit maple tree leaves.jpg
  • A hiker and dog explore the Devil's Den Theater area in Devil’s Den State Park. The Devil’s Den Theater rock outcroppings along the Devil’s Den Trail are popular to explore.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features, including crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today, include cabins, trails, a dam, and a shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails popular with hikers, mountain bikers, and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) which passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) which leads to expansive views of the Lee Creek Valley.
    Hiker and dog explore Devil's Den Th...jpg
  • A hiker takes in the view of the Lee Creek valley on a fall day from the top of Yellow Rock that is part of Yellow Rock Bluff. Yellow Rock is accessed by the Yellow Rock Trail in Devil’s Den State Park.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features such like crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today include cabins, trails, a dam, and shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails that are popular with hikers, mountain bikers and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) that passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) that leads to expansive views of the Lee Creek Valley.
    Yellow Rock.jpg
  • One of the many geological features seen along the Devil’s Den Self-Guided Trail in Devil’s Den State Park.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features such like crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today include cabins, trails, a dam, and shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails that are popular with hikers, mountain bikers and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) that passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) that leads to expansive views of the Lee Creek Valley.
    Devil's Den Trail-4.jpg
  • An unidentified hiker explores one of the many crevices and caves along the Devil’s Den Self-Guided trail in Devil’s Den State Park.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features such like crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today include cabins, trails, a dam, and shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails that are popular with hikers, mountain bikers and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) that passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) that leads to expansive views of the Lee Creek Valley.
    Devil's Den crevices-2.jpg
  • A hiker explores one of the many crevices and caves along the Devil’s Den Self-Guided trail in Devil’s Den State Park.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features such like crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today include cabins, trails, a dam, and shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails that are popular with hikers, mountain bikers and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) that passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) that leads to expansive views of the Lee Creek Valley.
    Devil's Den crevices.jpg
  • A hiker makes her way down a slope along the Devil’s Den Self-Guided Trail in Devil’s Den State Park.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features such like crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today include cabins, trails, a dam, and shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails that are popular with hikers, mountain bikers and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) that passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) that leads to expansive views of the Lee Creek Valley.
    Devil's Den Trail.jpg
  • A 4,000-foot-high mountainside released approximately 120 million metric tons of rock in 60 seconds during a landslide onto the Lamplugh Glacier in Glacier Bay National Park and Preserve. In an interview with the Alaska Dispatch News, geophysicist Colin Stark of Columbia University's Lamont-Doherty Earth Observatory, described the slide as “exceptionally large.” He compared the massive landslide to roughly 60 million medium SUVs tumbling down a mountainside.<br />
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Mountainsides that were held strong by the heavy ice of glaciers become weak when the glaciers retreat. Erosion along with earthquakes are triggers that can cause the weakened slopes to collapse.<br />
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The slide occurred on the morning of June 28  in a remote area of Glacier Bay National Park in southeast Alaska. It was first observed by Paul Swanstrom, pilot and owner of Haines-based Mountain Flying Service. Swanstrom noticed a huge cloud of dust over the Lamplugh Glacier during a flightseeing tour of Glacier Bay National Park several hours after the slide occurred. Swanstrom estimates the debris field to be 6.5 miles long, and one to two miles in width.<br />
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This aerial photo of the Lamplugh Glacier landslide was taken two days after the landslide.
    Lamplugh Glacier landslide-5.jpg
  • Connelly Lake (center) is a 90-acre alpine lake near Haines, Alaska that drains into the Chilkoot River. Connelly Lake is the focus of a proposed $32 million, 12-megawatt hydroelectric project by Alaska Power and Telephone Company (AP&T). AP&T proposes to build a dam at the outlet of Connelly Lake that would create a 160-acre reservoir and a 6,200-foot-long penstock down the side of the mountain where water would be delivered to turbine generators located in a powerhouse near the Chilkoot River into which the lake water would be discharged. Some of the main features of the proposed Connelly Lake project (for example portions of the penstock, the powerhouse, access roads, and the transmission line) would be located in the Alaska Chilkat Bald Eagle Preserve and the Haines State Forest. Concerns include the impact construction and project operation would have on fish spawning and rearing habitat, and bald eagles. The eagles rely on the salmon that use the Chilkoot Valley in the fall and early winter when they are attracted to late spawning salmon runs. A hydro aquatic studies report prepared by the Shipley Group states that according to the Alaska Department of Fish and Game, 41 percent of the sockeye salmon in the upper Lynn Canal come from the Chilkoot River with 25 percent of those salmon spawning in the Chilkoot River drainage above Chilkoot Lake. The value of the fishery is estimated at more than $1,000,000 annually. AP&T announced in June 2013 that it was putting the project on hold citing difficulty securing funding from the Alaska Energy Authority and the lack of community support. Despite these setbacks AP&T says that it not abandoning pursuing the project. In early September 2013, the Haines Borough announced that it was exploring possibly filing for a preliminary permit now that the project was no longer being pursued by AP&T. This photo of the ice and snow covered Connelly Lake was taken in mid-July.
    Connelly Lake, Chilkoot River - 1.jpg
  • Aialik Glacier pours down the mountains from the Harding Icefield as seen from the Aialik public use cabin on Aialik Bay in Kenai Fjords National Park in Alaska. The park, located near Seward, Alaska is known for its glaciers that flow out from the Harding Icefield, and the coastal fjords shaped by its receding glaciers. Approximately 51 percent of the park is covered by ice. The Harding Icefield, thousands of feet deep, is the largest icefield solely contained within the United States. Exit Glacier, is one of the most accessible glaciers in Alaska with easy walking trails leading up to the face of the glacier and more difficult trails leading up to the Harding Icefield which feeds Exit Glacier. Abundant land and sea life can be found within the parks boundaries including black and grizzly bears, Steller sea lions, puffins, humpback and orca whales. The park is a popular destination with sea kayakers who frequent Aialik Bay, Holgate Arm, Pederson Lagoon and Northwestern Fjord for magnificent views of the Aialik, Holgate, and Pederson glaciers. Tour companies offer boat tours out of Seward. SPECIAL NOTE: This image is a panorama composite consisting of multiple overlapping images stitched together.
    Aialik Glacier.jpg
  • The retreating McBride Glacier, located just off the Muir Inlet in Glacier Bay National Park and Preserve in southeast Alaska, is the most active glacier and only tidewater glacier in the Muir Inlet. McBride Glacier is approximately 1⁄2 mile wide and 14 miles long. Its ice face is approximately 200 feet high above the water and extends about 270 feet below it. This aerial photo, shot after an early November snow storm, shows Icebergs from the calving glacier traveling down the McBride Glacier inlet to the main Muir Inlet (background). The mountain ridge (center right) is McConnell Ridge. Ridge to the left is of McBride Inlet is Van Horn Ridge.
    McBride Glacier aerial 2.jpg
  • A large bee-fly (Bombylius major), left,  feeds on the nectar of a dogwood tree (Cornus florida) in Devil’s Den State Park. <br />
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The large bee-fly is a non-stinging parasitic bee mimic often mistaken for a bumblebee. This resemblance allows the large bee-fly to get close to the nests of bees and wasps where the large bee-fly will deposit its eggs. When the large bee-fly eggs hatch, the larvae feed on the bee and wasp grubs.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features, including crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today, include cabins, trails, a dam, and a shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails popular with hikers, mountain bikers, and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) which passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) which leads to expansive views of the Lee Creek Valley.
    Dogwood tree blossoms with large bee...jpg
  • The bluff at Yellow Rock provides a scenic view of Lee Creek and the Lee Creek Valley in Devil’s Den State Park. The Yellow Rock Trail leading to the is a CCC-constructed trail from the 1930s. It is also a designated part of the National Trails System. The main feature is the Yellow Rock, offering a scenic view of the Lee Creek Valley.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features, including crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today, include cabins, trails, a dam, and a shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails popular with hikers, mountain bikers, and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) which passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) which leads to expansive views of the Lee Creek Valley.
    Lee Creek seen from Yellow Rock over...jpg
  • A hiker and dog hike beside the bluffs along the Yellow Rock Trail in Devil’s Den State Park. The Yellow Rock Trail leads to a scenic overlook of the Lee Creek Valley. The Yellow Rock Trail is a CCC-constructed trail from the 1930s. It is also a designated part of the National Trails System. The main feature is the Yellow Rock, offering a scenic view of the Lee Creek Valley.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features, including crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today, include cabins, trails, a dam, and a shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails popular with hikers, mountain bikers, and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) which passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) which leads to expansive views of the Lee Creek Valley.
    Hiker on Yellow Rock Trail-2.jpg
  • A hiker and dog hike beside the bluffs along the Yellow Rock Trail in Devil’s Den State Park. The Yellow Rock Trail leads to a scenic overlook of the Lee Creek Valley. The Yellow Rock Trail is a CCC-constructed trail from the 1930s. It is also a designated part of the National Trails System. The main feature is the Yellow Rock, offering a scenic view of the Lee Creek Valley.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features, including crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today, include cabins, trails, a dam, and a shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails popular with hikers, mountain bikers, and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) which passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) which leads to expansive views of the Lee Creek Valley.
    Hiker on Yellow Rock Trail.jpg
  • Dogwood tree (Cornus florida) blooming in Devil’s Den State Park.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features, including crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today, include cabins, trails, a dam, and a shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails popular with hikers, mountain bikers, and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) which passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) which leads to expansive views of the Lee Creek Valley.
    Dogwood.jpg
  • Dogwood trees (Cornus florida) blooming in Devil’s Den State Park.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features, including crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today, include cabins, trails, a dam, and a shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails popular with hikers, mountain bikers, and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) which passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) which leads to expansive views of the Lee Creek Valley.
    Dogwood and sky.jpg
  • A fallen tree among the boulders along the Devil’s Den Trail in Devil’s Den State Park.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features, including crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today, include cabins, trails, a dam, and a shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails popular with hikers, mountain bikers, and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) which passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) which leads to expansive views of the Lee Creek Valley.
    Falllen tree along Devil's Den Trail.jpg
  • An eastern redbud tree (Cercis canadensis) blooms in front of the rock dam that spans Lee Creek forming Lake Devil in Devil’s Den State Park. The 8-acre lake is popular for fishing and boating with canoes and pedal boats for rent.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features, including crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today, include cabins, trails, a dam, and a shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails popular with hikers, mountain bikers, and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) which passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) which leads to expansive views of the Lee Creek Valley.
    Devil's Den Dam with redbud tree.jpg
  • A black-and-yellow lichen moth (Lycomorpha pholus) on white crownbeard (Verbesina virginica) was seen on a Devil’s Den State Park trail. White cornbread is also called frosted because it forms frost flowers in the fall when a sudden overnight freeze causes its stems to burst with sap that freeze into ribbons.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features, including crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today, include cabins, trails, a dam, and a shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails popular with hikers, mountain bikers, and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) which passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) which leads to expansive views of the Lee Creek Valley.
    Black-and-yellow lichen moth on whit...jpg
  • Fishermen fish from the impressive rock dam that spans Lee Creek forming Lake Devil in Devil’s Den State Park. The 8-acre lake is popular for fishing and boating with canoes and pedal boats for rent.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features such as crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today include cabins, trails, a dam, and a shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails that are popular with hikers, mountain bikers, and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) which passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) which leads to expansive views of the Lee Creek Valley.
    Lake Devil Dam.jpg
  • Strong logs form the base for the overlook shelter roof built by the Civilian Conservation Corps (CCC) in Devil’s Den State Park.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features such like crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today include cabins, trails, a dam, and shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails that are popular with hikers, mountain bikers and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) that passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) that leads to expansive views of the Lee Creek Valley.
    CCC Scenic Overlook-2.jpg
  • A hiker takes in the view of the Lee Creek valley on a fall day from the top of Yellow Rock that is part of Yellow Rock Bluff. Yellow Rock is accessed by the Yellow Rock Trail in Devil’s Den State Park.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features such like crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today include cabins, trails, a dam, and shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails that are popular with hikers, mountain bikers and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) that passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) that leads to expansive views of the Lee Creek Valley.
    Yellow Rock-2.jpg
  • A hiker walks past one of the many geologic features along the Yellow Rock Trail in Devil’s Den State Park.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features such like crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today include cabins, trails, a dam, and shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails that are popular with hikers, mountain bikers and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) that passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) that leads to expansive views of the Lee Creek Valley.
    Yellow Rock Trail.jpg
  • Fall foliage is reflected in the still waters of Lee Creek along the Devil’s Den Self-Guided trail in Devil’s Den State Park.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features such like crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today include cabins, trails, a dam, and shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails that are popular with hikers, mountain bikers and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) that passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) that leads to expansive views of the Lee Creek Valley.
    Lee Creek reflection-2.jpg
  • A hike pauses just off the Devil’s Den Self-Guided Trail in Devil’s Den State Park.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features such like crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today include cabins, trails, a dam, and shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails that are popular with hikers, mountain bikers and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) that passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) that leads to expansive views of the Lee Creek Valley.
    Devil's Den Trail-6.jpg
  • A hike pauses just off the Devil’s Den Self-Guided Trail in Devil’s Den State Park.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features such like crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today include cabins, trails, a dam, and shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails that are popular with hikers, mountain bikers and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) that passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) that leads to expansive views of the Lee Creek Valley.
    Devil's Den Trail-5.jpg
  • Salt Creek pupfish also known as Death Valley pupfish are only found in the Salt Creek drainage of Death Valley National Park. Pictured in this image are a male (top) and a female (bottom) during spring mating season in Salt Creek. During mating season, the male and female fish do a quivering, side-by-side dance that results in fertilized eggs. <br />
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The fish, listed as endangered, are thought to have been part of the fish that inhabited in Lake Manly which dried up during the last Ice age. The fish can survive in water four times more saline than ocean water, and in temperatures from 116 °F to freezing.<br />
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Death Valley National Park, located in eastern California near the border with Nevada is one of the hottest spots on earth, holding the hottest recorded air temperature of 134 °F. The Park also is location of the lowest spot in North America, 282 feet below sea level at the vast salt flats at Badwater Basin. At 3.4 million acres, the park is the largest national park in the contiguous United States. Death Valley National Park sits between the Panamint Range on the west  and Amargosa Range on the east.
    Salt Creek Pupfish mating.jpg
  • A 4,000-foot-high mountainside released approximately 120 million metric tons of rock in 60 seconds during a landslide onto the Lamplugh Glacier in Glacier Bay National Park and Preserve. In an interview with the Alaska Dispatch News, geophysicist Colin Stark of Columbia University's Lamont-Doherty Earth Observatory, described the slide as “exceptionally large.” He compared the massive landslide to roughly 60 million medium SUVs tumbling down a mountainside.<br />
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Mountainsides that were held strong by the heavy ice of glaciers become weak when the glaciers retreat. Erosion along with earthquakes are triggers that can cause the weakened slopes to collapse.<br />
<br />
The slide occurred on the morning of June 28  in a remote area of Glacier Bay National Park in southeast Alaska. It was first observed by Paul Swanstrom, pilot and owner of Haines-based Mountain Flying Service. Swanstrom noticed a huge cloud of dust over the Lamplugh Glacier during a flightseeing tour of Glacier Bay National Park several hours after the slide occurred. Swanstrom estimates the debris field to be 6.5 miles long, and one to two miles in width.<br />
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Even two days later, as this aerial photo of the Lamplugh Glacier landslide shows, a dust cloud remained over the unstable mountainside due to still tumbling rock.
    Lamplugh Glacier landslide-9.jpg
  • The Thorofare River travels past the terminus of the 34-mile Muldrow Glacier near the Thorofare ranger cabin in Denali National Park in Alaska. The glacier has accumulated rocks and dirt in its journey down from the mountains. This moraine material, along with vegetation growing on top, hides the ice under the surface.
    Muldrow glacier.jpg
  • A hiker hikes next to the Thorofare River as it travels past the terminus of the 34-mile Muldrow Glacier near the Thorofare ranger cabin in Denali National Park in Alaska. The glacier has accumulated rocks and dirt in its journey down from the mountains. This moraine material, along with vegetation growing on top, hides the ice under the surface.
    Muldrow glacier and Thorofare River-...jpg
  • Violet wood-sorrel (Oxalis violacea) blooming at Devil's Den State Park.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features, including crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today, include cabins, trails, a dam, and a shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails popular with hikers, mountain bikers, and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) which passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) which leads to expansive views of the Lee Creek Valley.
    Violet wood sorrel.jpg
  • Eastern spring beauty (Claytonia virginica) blooming in Devil’s Den State Park.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features, including crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today, include cabins, trails, a dam, and a shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails popular with hikers, mountain bikers, and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) which passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) which leads to expansive views of the Lee Creek Valley.
    Eastern spring beauty-2.jpg
  • A black vulture (Coragyps atratus) rests on a boulder along the Yellow Rock Trail in Devil’s Den State Park. Unlike the red-headed turkey vultures, the sense of smell of a black vulture is not as good as the red-headed turkey vulture. Because of this, black vultures will often follow turkey vultures to carcasses to feed.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features, including crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today, include cabins, trails, a dam, and a shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails popular with hikers, mountain bikers, and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) which passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) which leads to expansive views of the Lee Creek Valley.
    Black vulture.jpg
  • Evening sunlight bathes one of the historic cabins available to rent at Devil's Den State Park in northwest Arkansas.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features such as crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today include cabins, trails, a dam, and a shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails that are popular with hikers, mountain bikers, and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) which passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) which leads to expansive views of the Lee Creek Valley.
    Setting sun on cabin.jpg
  • A hiker and dog hike on the Devil’s Den Trail in Devil’s Den State Park.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features, including crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today, include cabins, trails, a dam, and a shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails popular with hikers, mountain bikers, and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) which passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) which leads to expansive views of the Lee Creek Valley.
    Hiker and dog explore Devil's Den Tr...jpg
  • Eastern spring beauty (Claytonia virginica) blooming in Devil’s Den State Park.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features, including crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today, include cabins, trails, a dam, and a shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails popular with hikers, mountain bikers, and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) which passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) which leads to expansive views of the Lee Creek Valley.
    Eastern spring beauty.jpg
  • A redbud tree (Cercis canadensis) blooms next to Twin Falls along the Devil’s Den Trail in Devil’s Den State Park.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features, including crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today, include cabins, trails, a dam, and a shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails popular with hikers, mountain bikers, and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) which passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) which leads to expansive views of the Lee Creek Valley.
    Twin Falls with redbud tree.jpg
  • Warm light radiates from one of the historic cabins available to rent at Devil's Den State Park in northwest Arkansas.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features such as crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today include cabins, trails, a dam, and a shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails that are popular with hikers, mountain bikers, and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) which passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) which leads to expansive views of the Lee Creek Valley.
    Park cabin.jpg
  • Nothing says the Ozarks like a rope swing over a creek water hole. This one iwas spotted on Lee Creek in Devil's Den State Park in northwest Arkansas.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features such as crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today include cabins, trails, a dam, and a shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails that are popular with hikers, mountain bikers, and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) which passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) which leads to expansive views of the Lee Creek Valley.
    Lee Creek rope swing.jpg
  • A hiker cools off in the shade of shelter built by the Civilian Conservation Corps (CCC) in Devil’s Den State Park. The shelter provides easy access to views overlooking  the Lee Creek Valley.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features such like crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today include cabins, trails, a dam, and shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails that are popular with hikers, mountain bikers and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) that passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) that leads to expansive views of the Lee Creek Valley.
    CCC Scenic Overlook.jpg
  • Camper cabins are a recent addition to Devil’s Den State Park.<br />
<br />
Devil's Den State Park is an Arkansas state park located in the Lee Creek Valley of the Boston Mountains in the Ozarks. Devil’s Den State Park contains one of the largest sandstone crevice areas in the U.S. The park contains many geologic features such like crevices, caves, rock shelters, and bluffs. The park is also known for its well-preserved Civilian Conservation Corps (CCC) structures built in the 1930s. These structures, still in use today include cabins, trails, a dam, and shelter.<br />
<br />
Devil’s Den State Park has approximately 64 miles of trails that are popular with hikers, mountain bikers and horseback riders. One popular trail is the Devil’s Den Self-Guided Trail (1.5 miles long) that passes by Devil’s Den Cave (550 feet), Devil’s Den Ice Box, numerous rock crevices, and Twin Falls. Another popular trail is the Yellow Rock Trail (3.1 miles) that leads to expansive views of the Lee Creek Valley.
    Camper cabin.jpg
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