Heavy Runner Mountain, an 8,016-foot peak in Glacier National Park’s Lewis Range, is visible from the Going-to-the-Sun Road and Logan Pass. It was named for the Blackfeet chief Heavy Runner, who was killed with most of his encampment in the Marias River massacre on January 23, 1870, by troops led by Col. Eugene M. Baker, linking the mountain to one of the region’s most violent events. Geologically, it is formed from sedimentary rock deposited from the Precambrian to the Jurassic and shaped by the Lewis Overthrust, in which older rock was pushed over younger Cretaceous layers. The mountain stands in a subarctic climate with severe winters and short summers.