29,559 campgrounds
Los Padres National Forest
Flathead National Forest
Challis National Forest
George Washington National Forest
Apache National Forest
Humboldt-Toiyabe National Forest
Coeur d'Alene National Forest
Gallatin National Forest
Mt. Hood National Forest
Wasatch National Forest
Willamette National Forest
Uinta National Forest
Carson National Forest
Jefferson National Forest
Tahoe National Forest
Rogue River National Forest
Plumas National Forest
Siuslaw National Forest
Angeles National Forest
Cleveland National Forest
Sequoia National Forest
Ozark National Forest
Umpqua National Forest
