This trail circles Devils Tower, you can find the trailhead near the visitor center.
South Dakota Trails / State Parks
Adams Homestead and Nature Preserve
East Bison Flats Trail at Wind Cave National Park
Lovers Leap Trail
Prairie Trail
Dalton Trailhead
Big Stone Island Nature Area
The Mountain Trailhead
Richmond Lake Recreation Area
Spring Creek Trailhead
Deer Creek Trailhead
Castle Trail (West)
Harbach Park / Custer Trailhead
Revheim Bay Recreation Area
Door Trail
Beaver Creek Nature Area
BHNF Trail #50: Flume Trail