29,559 campgrounds
Inyo National Forest
Challis National Forest
San Isabel National Forest
Salmon National Forest
Nezperce National Forest
Ashley National Forest
Wallowa National Forest
Manistee National Forest
San Bernardino National Forest
Clearwater National Forest
Huron National Forest
Willamette National Forest
Okanogan National Forest
Medicine Bow National Forest
Deschutes National Forest
Sierra National Forest
Shasta-Trinity National Forest
Kaniksu National Forest
Roosevelt National Forest
Chattahoochee National Forest
