Parallel to US 16A
Runs from Game Lodge Campground to Grace Coolidge Campground. Trail may be accessed at multiple points along Hwy 16A
South Dakota Trails / State Parks
Lake Thompson Recreation Area
Lake Vermillion Recreation Area
Tower Trail at Devils Tower National Monument
Custer State Park
BHNF Trail #77: Dugout Gulch Botanical Trail
Lewis and Clark Recreation Area
Rochford Trailhead
BHNF Trail #66: Old Baldy Trail
Swan Creek Recreation Area
Castle Trail (East)
Grace Coolidge Walk-In Fishing Area at Custer State Park
Iron Creek Trailhead
Lead Trailhead
Window Trail
Roy Lake State Park
Presidential Trail at Mount Rushmore
