This trail circles Devils Tower, you can find the trailhead near the visitor center.
South Dakota Trails / State Parks
Sunday Gulch Trail
Deadwood Trailhead
Boland Ridge Trail at Wind Cave National Park
Hell Canyon Trail
Big Stone Island Nature Area
Medicine Loop (West)
BHNF Trail #15: Iron Creek
Joyner Ridge Trail at Devils Tower National Monument
Lakota Lake Trailhead
Nature Trail at Mount Rushmore
Springfield Recreation Area
Stockade Lake Trail
BHNF Trail #64: Crow Peak Trail
Little Devils Tower Trail
Lake Alvin Recreation Area
Burlington Northern Hill City Trailhead