29,559 campgrounds
Okanogan National Forest
Mt. Hood National Forest
Manistee National Forest
Sequoia National Forest
Huron National Forest
Jefferson National Forest
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
