29,496 campgrounds
Kaniksu National Forest
Mt. Baker National Forest
Gallatin National Forest
Beaverhead National Forest
Shasta-Trinity National Forest
Bridger-Teton National Forest
Lassen National Forest
George Washington National Forest
Targhee National Forest
Inyo National Forest
Los Padres National Forest
Kootenai National Forest
Deschutes National Forest
Willamette National Forest
San Juan National Forest
Toiyabe National Forest
Huron National Forest
Stanislaus National Forest
Modoc National Forest
Bighorn National Forest
Lake Tahoe Basin Management Unit
