29,559 campgrounds
Huron National Forest
Umpqua National Forest
Beaverhead National Forest
Wallowa National Forest
Tonto National Forest
Sitgreaves National Forest
Coconino National Forest
Roosevelt National Forest
Challis National Forest
Siuslaw National Forest
Cibola National Forest
Eldorado National Forest
Shasta-Trinity National Forest
Cherokee National Forest
Caribou National Forest
Caribou-Targhee National Forest
Tahoe National Forest
Klamath National Forest
San Isabel National Forest
Stanislaus National Forest
Mt. Hood National Forest
Sumter National Forest
Clearwater National Forest
