Gates of the Mountains Wilderness was created in 1964.
The area of Gates of the Mountains Wilderness is 115.586 square kilometers.
Gates of the Arctic Wilderness was created in 1980.
Sylvania Mountains Wilderness was created in 1994.
Birkhead Mountains Wilderness was created in 1984.
Mission Mountains Wilderness was created in 1975.
Cabinet Mountains Wilderness was created in 1964.
Trigo Mountains Wilderness was created in 1990.
Sawtooth Mountains Wilderness was created in 1994.
Whipple Mountains Wilderness was created in 1994.
Old Woman Mountains Wilderness was created in 1994.
Beaver Dam Mountains Wilderness was created on 1984-08-28.
El Paso Mountains Wilderness was created on 1994-10-31.