28,617 campgrounds
Sequoia National Forest
Plumas National Forest
Ozark National Forest
Chattahoochee National Forest
Nezperce National Forest
Humboldt-Toiyabe National Forest
Wasatch National Forest
Bighorn National Forest
Medicine Bow National Forest
Mt. Hood National Forest
Nicolet National Forest
Snoqualmie National Forest
Okanogan National Forest
Pike National Forest
Willamette National Forest
Wallowa-Whitman National Forest
George Washington National Forest
Sierra National Forest
Deschutes National Forest
