This trail circles Devils Tower, you can find the trailhead near the visitor center.
South Dakota Trails / State Parks
Minnekahata Trailhead
Swan Creek Recreation Area
Edgemont Trailhead
Bear Butte State Park
Lake Vermillion Recreation Area
Adams Homestead and Nature Preserve
BHNF Trail #50: Flume Trail
BHNF Trail #88: Cook Lake
Tamarack Gulch Trailhead
Castle Trail (East)
Serenity Trail
Door Trail
Burke Lake Recreation Area
Burlington Northern Hill City Trailhead
Platte Creek Recreation Area
North Point Recreation Area