The area of Hummingbird Springs Wilderness is 126.262 square kilometers.
Hummingbird Springs Wilderness was created in 1990.
The area of Blackjack Springs Wilderness is 23.472 square kilometers.
The area of Warm Springs Wilderness is 454.867 square kilometers.
The area of Fossil Springs Wilderness is 46.741 square kilometers.
Blackjack Springs Wilderness was created in 1978.
Clear Springs Wilderness was created in 1990.
Warm Springs Wilderness was created in 1990.
Fossil Springs Wilderness was created in 1984.
The area of Pepperbox Wilderness Area is 91.297 square kilometers.
The area of Siffleur Wilderness Area is 412.14 square kilometers.
Frank Church - River of no Return Wilderness Area.Gospel Hump Wilderness Area.Hells Canyon Wilderness Area.Sawtooth Wilderness Area.Selway-Bitterroot Wilderness Area.
The area of Kaiser Wilderness is 91.864 square kilometers.