29,559 campgrounds
Toiyabe National Forest
Huron National Forest
Tongass National Forest
Sequoia National Forest
Coeur d'Alene National Forest
Eldorado National Forest
Boise National Forest
Sierra National Forest
Mt. Hood National Forest
Nicolet National Forest
Shasta-Trinity National Forest
Stanislaus National Forest
Gallatin National Forest
Fremont National Forest
Siskiyou National Forest
Chattahoochee National Forest
St. Joe National Forest
Superior National Forest
Okanogan National Forest
Los Padres National Forest
Uinta National Forest
