28,457 campgrounds
Mt. Hood National Forest
Nicolet National Forest
Nezperce National Forest
Manistee National Forest
Wasatch National Forest
Inyo National Forest
Shasta-Trinity National Forest
Shasta National Forest
Targhee National Forest
Huron National Forest
Deschutes National Forest
Lassen National Forest
Wenatchee National Forest
Caribou-Targhee National Forest
Uinta National Forest
Sawtooth National Forest
Los Padres National Forest
Snoqualmie National Forest
Mt. Baker National Forest
Angeles National Forest
