29,559 campgrounds
Inyo National Forest
Toiyabe National Forest
Mark Twain National Forest
Stanislaus National Forest
Deschutes National Forest
Shasta-Trinity National Forest
Fishlake National Forest
Sitgreaves National Forest
Siskiyou National Forest
Bighorn National Forest
Siuslaw National Forest
Tahoe National Forest
Ashley National Forest
Trinity National Forest
San Bernardino National Forest
Roosevelt National Forest
Willamette National Forest
Fremont National Forest
Nezperce National Forest
Eldorado National Forest
