The Mount Massive Wilderness is a federally designated wilderness area in the Sawatch Range, located in the U.S. state of Colorado. It is operated jointly by the United States Forest Service and the Fish and Wildlife Service as part of the San Isabel National Forest and the Leadville National Fish Hatchery. It is 30540 acre in size, with 27980 acre in San Isabel National Forest and 2560 acre in Leadville National Fish Hatchery, and it was designated by the US Congress in 1980. The name comes from Mount Massive, the second highest peak in Colorado, located inside the wilderness. Elevations in the wilderness range from 9700 ft to 14421 ft. It is the only federally designated wilderness area within the National Fish Hatchery System. On the west side, the Continental Divide separates the Mount Massive Wilderness from the Hunter-Fryingpan Wilderness, part of the White River National Forest. Trailheads accessing the wilderness are:

Regulations/Prohibitions