29,559 campgrounds
Teton National Forest
Inyo National Forest
Shasta-Trinity National Forest
White River National Forest
Custer National Forest
Modoc National Forest
Tahoe National Forest
Angeles National Forest
Cache National Forest
Chequamegon National Forest
Routt National Forest
Sitgreaves National Forest
Kisatchie National Forest
Chattahoochee National Forest
Willamette National Forest
Los Padres National Forest
Sequoia National Forest
Mt. Baker National Forest
Medicine Bow National Forest
Stanislaus National Forest
Snoqualmie National Forest
Hiawatha National Forest
