29,559 campgrounds
Sitgreaves National Forest
Bighorn National Forest
Tahoe National Forest
Sierra National Forest
Uncompahgre National Forest
Siuslaw National Forest
Lassen National Forest
Eldorado National Forest
Manistee National Forest
Wenatchee National Forest
Mt. Baker National Forest
Inyo National Forest
Toiyabe National Forest
Mark Twain National Forest
Stanislaus National Forest
Deschutes National Forest
Shasta-Trinity National Forest
