Lostwood Wilderness was created in 1975.
The area of Lostwood Wilderness is 22.569 square kilometers.
Lostwood National Wildlife Refuge was created in 1935.
The area of Lostwood National Wildlife Refuge is 108.241 square kilometers.
Shellback Wilderness was created in 2006.
Wilderness School was created in 1884.
Bridger Wilderness was created in 1964.
Tracks from the Wilderness was created in 1992.
Mountain Wilderness was created in 1987.
Gila Wilderness was created in 1924.
Buckhorn Wilderness was created in 1984.
Wilderness Fund was created in 1989.
Menagerie Wilderness was created in 1984.