29,559 campgrounds
Ashley National Forest
Tahoe National Forest
Mt. Hood National Forest
Siuslaw National Forest
Klamath National Forest
San Isabel National Forest
Stanislaus National Forest
Okanogan-Wenatchee National Forest
Challis National Forest
Sumter National Forest
Clearwater National Forest
Nezperce National Forest
Shasta-Trinity National Forest
Pike National Forest
Sierra National Forest
Huron National Forest
Whitman National Forest
Lassen National Forest
Lewis & Clark National Forest
Jefferson National Forest
