29,559 campgrounds
Sitgreaves National Forest
Okanogan National Forest
Deschutes National Forest
Angeles National Forest
Siskiyou National Forest
Huron National Forest
Los Padres National Forest
Eldorado National Forest
Wasatch National Forest
Sawtooth National Forest
Chequamegon National Forest
Gallatin National Forest
Tonto National Forest
Humboldt-Toiyabe National Forest
Fremont National Forest
Cleveland National Forest
Bighorn National Forest
Mt. Hood National Forest
