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McGonagall Pass, bottom center, leads upward and onto the Muldrow Glacier, the north climbing route to the summit of Mount Denali.
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Taken from about the 11,000' level, this photo documents Karstens Ridge on the left horizon. Located at the head of the Muldrow Glacier, the ridge leads upward and around the Harper Icefall
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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.
