This trail circles Devils Tower, you can find the trailhead near the visitor center.
South Dakota Trails / State Parks
Good Earth State Park
Castle Trail (West)
Rapid Creek Trailhead
French Creek Natural Area
BHNF Trail #4: Cathedral Spires
Bear Butte Lake Trailhead
Dakota Point Trailhead
Pringle Trailhead
Hartford Beach State Park
Revheim Bay Recreation Area
Little Devils Tower Trail
Joyner Ridge Trail at Devils Tower National Monument
Pease Creek Recreation Area
BHNF Trail #64: Crow Peak Trail
BHNF Trail #80: Little Spearfish Trail
Burke Lake Recreation Area