29,559 campgrounds
Kisatchie National Forest
Humboldt-Toiyabe National Forest
Coeur d'Alene National Forest
Pike National Forest
Olympic National Forest
Okanogan National Forest
Mt. Hood National Forest
Huron National Forest
Clearwater National Forest
Ouachita National Forest
Wasatch National Forest
Daniel Boone National Forest
Bridger-Teton National Forest
Apache National Forest
Los Padres National Forest
Medicine Bow National Forest
Manti-La Sal National Forest
San Isabel National Forest
Nicolet National Forest
Deerlodge National Forest
Siskiyou National Forest
