This trail circles Devils Tower, you can find the trailhead near the visitor center.
South Dakota Trails / State Parks
Fort Mead Trailhead
Buryanek Recreation Area
BHNF Trail #91: Cliff Swallow Trail
BHNF Trail #32: Hell Canyon Trail
Bear Butte Lake Trailhead
Lewis and Clark Recreation Area
Hartford Beach State Park
BHNF Trail #66: Old Baldy Trail
Sunday Gulch Trail
BHNF Trail #64: Crow Peak Trail
Saddle Pass
Fisher Grove State Park
Rapid Creek Trailhead
Red Beds Trail at Devils Tower National Monument
French Creek Trailhead Horse Camp
Oakwood Lakes State Park