Twin Sisters is a 13,432-foot-elevation (4,094-meter) mountain summit located in San Juan County, Colorado, United States.

[3] The lower west summit has an elevation of 13,374 feet (4,076 meters) and 0.43 mile separates the pair.

It is situated 7.5 miles southwest of the community of Silverton, on land managed by San Juan National Forest.

Topographic relief is significant as the north aspect rises 3,000 feet (910 meters) above South Fork Mineral Creek in approximately 1.5 mile.

[6] Due to its altitude, it receives precipitation all year, as snow in winter, and as thunderstorms in summer, with a dry period in late spring.