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Mount Denali, viewed above caribou antlers near the Eielson Visitor Center. Bull caribou shed their antlers every year, but this complete set was recovered from a wolf kill.
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Morning light breaks through the clouds and traces Pioneer Ridge on Mount Denali, North America's highest peak. Pioneer climbers seeking the summit attempted this ridge
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Summer rains are common in the Alaska Range Mountains and over the surrounding tundra and taiga. A storm began to break up at 10pm and the sunlight broke through.
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A rainbow from a summer storm reflected in Nugget Pond, Denali National Park, Alaska. Many rainbows are fleeting but this intense rainbow lasted fully an hour and formed a double arc.
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Mount Denali reflected at dawn in a small pond above the Jumbo Creek drainage. When autumn colors reach their peak, winter will not be far behind, then Denali's perpetual snows will be re-born.
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In Alaska, dawn etches the summit of Mount Denali and neighboring ridges. The snow never leaves the heights above 7,500', the glaciers and exposed rock outcrops accumulating fresh snow at any time of the year.
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Lenticular clouds form as high winds scour the summit of Mount Denali in summer. Lenticular clouds form when stable, moist air flows over a mountain range.
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Just as the dawn alpenglow illuminates the summit of Mount Denali, as seen from Broad Pass, a full moon, "the Snow Moon," sets just south of the summit. In winter, deep snow blankets the tundra-taiga ecotone and turns color as the sun rises.
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High thin clouds top the summit of Mount Denali in early summer. Early summer is peak climbing season on Denali, with most groups attempting the West Buttress route on the south side of the mountain.
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Near sunset, a full moon rises over the Alaska Range to the east of Mount Denali, bathed in alpenglow. In late summer, when the celestial calendar aligns, a full moon bumps along the summits of the Alaska Range.
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Mount Denali emerges from cloud cover on a chilly autumn morning at Wonder Lake in Denali National Park, Alaska. Although Mount Denali dominates the park landscape, the park was established in 1917 for the protection of regional wildlife.
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Dawn light colors Mount Denali and attendant clouds as viewed from Camp Denali, a lodge located deep within Denali National Park. As the light moves inexorably down the mountain, the colors fade into white.
