Missouri Mountain is a high mountain summit in the Collegiate Peaks of the Sawatch Range of the Rocky Mountains of North America. The 14,074-foot fourteener is located in the Collegiate Peaks Wilderness of San Isabel National Forest, 15.2 miles northwest by west of the Town of Buena Vista in Chaffee County, Colorado, United States. Missouri M…Missouri Mountain is a high mountain summit in the Collegiate Peaks of the Sawatch Range of the Rocky Mountains of North America. The 14,074-foot fourteener is located in the Collegiate Peaks Wilderness of San Isabel National Forest, 15.2 miles northwest by west of the Town of Buena Vista in Chaffee County, Colorado, United States. Missouri Mountain is separated from its eastern neighbor Mount Belford by Elkhead Pass.