29,490 campgrounds
Targhee National Forest
Pike National Forest
Gallatin National Forest
Stanislaus National Forest
Uinta National Forest
Angeles National Forest
Siskiyou National Forest
Helena National Forest
Snoqualmie National Forest
Chequamegon National Forest
Mt. Baker National Forest
Wenatchee National Forest
Shasta-Trinity National Forest
Caribou National Forest
Kaniksu National Forest
St. Francis National Forest
Chattahoochee National Forest
Ozark National Forest
Sitgreaves National Forest
Coeur d'Alene National Forest
Willamette National Forest
San Isabel National Forest
Sierra National Forest
