Mount Chapin is a 12,454-foot-elevation (3,796-meter) mountain summit located in Rocky Mountain National Park, in Larimer County, of Colorado, United States. It is situated 11 miles west-northwest of the community of Estes Park, one mile east of Chapin Pass, and six miles east of the Continental Divide. Mount Chapin is part of the Mummy Range which is a subset of the Rocky Mountains. Topographic relief is significant as the south aspect rises 2,700 feet above Fall River in less than one mile. Neighbors include Mount Chiquita and Ypsilon Mountain to the immediate northeast, and the park's Alpine Visitor Center is three miles to the west.