Allen Mountain may refer to:
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Allen Mountain (Montana), located in Glacier National Park (U.S.)
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Allen Mountain (New York)
Allen Mountain is a mountain in the Adirondacks in the U.S. state of New York. It is the 26th-highest of the Adirondack High Peaks, with an elevation of . The mountain is located in the town of Keene in Essex County. It was named for Rev. Wil ...
, located in the Adirondack Mountains
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