29,559 campgrounds
Bighorn National Forest
Snoqualmie National Forest
Eldorado National Forest
Arapaho National Forest
Targhee National Forest
Pike National Forest
Gallatin National Forest
Stanislaus National Forest
Uinta National Forest
Angeles National Forest
Siskiyou National Forest
Helena National Forest
Chequamegon National Forest
Mt. Baker National Forest
Wenatchee National Forest
Shasta-Trinity National Forest
San Isabel National Forest
Caribou National Forest
Kaniksu National Forest
St. Francis National Forest
Chattahoochee National Forest
Ozark National Forest
