Crested Butte is a home rule municipality located in Gunnison County, Colorado, United States. The town population was 1,639 at the 2020 United States Census. A former coal mining town nestled in the Slate River Valley, Crested Butte is now known as a destination for skiing, mountain biking, and outdoor activities.

Gunnison County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 16,918. The county seat is Gunnison. The county was named for John W. Gunnison, a United States Army officer and captain in the Army Topographical Engineers, who surveyed for the transcontinental railroad in 1853.