The area of Sentinel Range Wilderness Area is 94.098 square kilometers.
The area of King Range Wilderness is 172.335 square kilometers.
The area of Blue Range Wilderness is 118.589 square kilometers.
The area of Fortification Range Wilderness is 124.06 square kilometers.
The area of White Pine Range Wilderness is 161.927 square kilometers.
The area of South Egan Range Wilderness is 272.005 square kilometers.
The area of North Sentinel Island is 72 square kilometers.
The area of Pepperbox Wilderness Area is 91.297 square kilometers.
The area of Siffleur Wilderness Area is 412.14 square kilometers.
The area of Giant Mountain Wilderness Area is 92.139 square kilometers.
The area of McKenzie Mountain Wilderness Area is 152.227 square kilometers.
The area of White Lake Wilderness Area is 45.4 square kilometers.
The area of White Goat Wilderness Area is 444.57 square kilometers.