29,559 campgrounds
Umatilla National Forest
Roosevelt National Forest
Wallowa National Forest
Gunnison National Forest
Siskiyou National Forest
San Isabel National Forest
Malheur National Forest
Nezperce National Forest
San Bernardino National Forest
Pike National Forest
Uncompahgre National Forest
Kaniksu National Forest
Fremont National Forest
Bighorn National Forest
Okanogan-Wenatchee National Forest
Ozark National Forest
Bridger-Teton National Forest
Stanislaus National Forest
Willamette National Forest
