Quartz Creek Campground
Glacier National Park
Free
State Park
Queets Campground
Olympic National Park
$15/night
State Park
Ratcliff's River Campsites
Delaware Water Gap National Recreation Area
Free
State Park
Rivers Bend Group Campground
Delaware Water Gap National Recreation Area
Free
State Park
Rock Harbor Campground
Isle Royale National Park
Free
State Park
Rocky Knob Campground
Blue Ridge Parkway
Free
State Park
Rocky Springs Campground, Milepost 54.8
Natchez Trace Parkway
Free
State Park
Root Glacier Primitive Backcountry Camping
Wrangell - St Elias National Park & Preserve
Free
State Park
Round Bottom Horse Camp
Great Smoky Mountains National Park
Free
State Park
Round Spring Campground
Ozark National Scenic Riverways
$16–32/night
State Park
San Pedro Campground - Amistad National Rec Area
Amistad National Recreation Area
$6/night
State Park
Sandy Hook - Gateway National Rec Area
Gateway National Recreation Area
$15–30/night
State Park
Schoodic Woods Campground
Acadia National Park
$22–60/night
State Park
Sheep Camp Primitive Campground
Whiskeytown National Recreation Area
$20/night
State Park
Signal Mountain Campground
Grand Teton National Park
$44–88/night
State Park
Sinepuxent District Ranger Station/Campground Office
Assateague Island National Seashore
Free
State Park
Slough Creek Campground
Yellowstone National Park
$15/night
State Park
Smokemont Campground
Great Smoky Mountains National Park
$25/night
State Park
Sol Duc Hot Springs Resort Campground
Olympic National Park
Free
State Park
South Beach Campground
Olympic National Park
$20/night
State Park
South Campground
Zion National Park
$20–50/night
State Park
South Maumee Camping Area
Buffalo National River
Free
State Park
Southwest Walk In
Lassen Volcanic National Park
$10–16/night
State Park
Sprague Creek Campground
Glacier National Park
$25/night
State Park