The area of Big Frog Wilderness is 32.707 square kilometers.
Big Frog Wilderness was created in 1984.
The area of Big Gum Swamp Wilderness is 55.28 square kilometers.
The area of Big Island Lake Wilderness is 23.698 square kilometers.
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 Emigrant Wilderness is 454.369 square kilometers.
The area of Havasu Wilderness is 72.038 square kilometers.
The area of Sylvania Wilderness is 74.167 square kilometers.
The area of Innoko Wilderness is 5,018.102 square kilometers.
The area of Clearwater Wilderness is 57.433 square kilometers.
The area of Raggeds Wilderness is 263.013 square kilometers.