Lone Walker MountainLone Walker Mountain is located in the Lewis Range, Glacier National Park in the U.S. state of Montana. Lone Walker Mountain is situated immediately southwest of Upper Two Medicine Lake along the Continental Divide.ClimateBased on the Köppen climate classification, it is located in an alpine subarctic climate zone with long, cold, snowy winters, and cool to warm summers. Temperatures can drop below −10 °F with wind chill factors below −30 °F.GeologyLike other mountains in Glacier National Park, it 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 thick, wide and long over younger rock of the cretaceous period.