29,559 campgrounds
Pike National Forest
Mendocino National Forest
Bighorn National Forest
Snoqualmie National Forest
Eldorado National Forest
Gunnison National Forest
Sierra National Forest
Arapaho National Forest
Targhee National Forest
Caribou National Forest
Gallatin National Forest
Rogue River National Forest
Stanislaus National Forest
Modoc National Forest
Lewis & Clark National Forest
Sequoia National Forest
Uinta National Forest
Angeles National Forest
Siskiyou National Forest
Helena National Forest
Medicine Bow National Forest
