29,526 campgrounds
Angeles National Forest
Clearwater National Forest
Manistee National Forest
Roosevelt National Forest
Bighorn National Forest
Chattahoochee National Forest
Uinta National Forest
Pike National Forest
Wasatch National Forest
Uwharrie National Forest
Chequamegon National Forest
Boise National Forest
Wenatchee National Forest
Eldorado National Forest
Humboldt National Forest
Shasta National Forest
