McKinley, Mount, peak, 20,237 ft (6,168 m) high, S central Alaska, in the Alaska Range; highest point in North America. Permanent snowfields cover more than half the mountain and feed numerous glaciers. Known locally as Denali ["the Great One"], Mt. McKinley was first scaled successfully by the American explorer Hudson Stuck in 1913. It is included in Denali National Park and Preserve.
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