29,559 campgrounds
Tonto National Forest
San Isabel National Forest
Fishlake National Forest
Sitgreaves National Forest
Uinta National Forest
Umpqua National Forest
Okanogan National Forest
Cache National Forest
Gallatin National Forest
Uinta-Wasatch-Cache National Forest
Sequoia National Forest
Shasta-Trinity National Forest
Clearwater National Forest
Humboldt National Forest
Deschutes National Forest
White River National Forest
Tahoe National Forest
Bighorn National Forest
Siskiyou National Forest
