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a view zooming back (southwest) at the very cool Gunsight Mountain. Gunsight was first climbed by Dr. Lyman Sperry and party in 1905.
Gunsight Mountain (9,263 feet) is located in the Lewis Range, Glacier National Park in the U.S. state of Montana. Gunsight Mountain is named after the adjacent Gunsight Pass, which was named by George Bird Grinnell in 1891.
Like other mountains in Glacier National Park, Gunsight 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 miles wide and 160 miles long over younger rock of the cretaceous period.
Gunsight Mountain (9,263 feet) is located in the Lewis Range, Glacier National Park in the U.S. state of Montana. Gunsight Mountain is named after the adjacent Gunsight Pass, which was named by George Bird Grinnell in 1891.
Like other mountains in Glacier National Park, Gunsight 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 miles wide and 160 miles long over younger rock of the cretaceous period.