Bearhat Mountain (8689 ft) is located in the Lewis Range, Glacier National Park in the U.S. state of Montana. Bearhat Mountain is immediately west of Hidden Lake. The mountain was named after a Kootenai Native American, and was officially adopted by the U.S. Board on Geographic Names in 1932. Based on the Köppen climate classification, Bearhat Mountain has an alpine climate characterized by long, usually very cold winters, and short, cool to mild summers. Temperatures can drop below −10 °F with wind chill factors below −30 °F.

Geology

Like other mountains in Glacier National Park, Bearhat Mountain is composed of sedimentary rock laid down during the Precambrian to Jurassic periods. Formed in shallow seas, this sedimentary rock was initially uplifted beginning 170 million years ago when the Lewis Overthrust fault pushed an enormous slab of precambrian rocks 3 mi thick, 50 mi wide and 160 mi long over younger rock of the cretaceous period.

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