Castle Trail (East)

This eastern trailhead is one end of the longest trail in the park begins at the Door and Window Trail parking area and travels five miles one way to the Fossil Exhibit Trail parking.
Relatively level, the path passes along some badlands formations.

Trail Elevation: 2,645'
Trail Difficulty: Moderate
Trail Distance: 10 miles/16 km (round trip)

South Dakota Trails / State Parks

Spirit Mound Historic Prairie

Spirit Mound Historic Prairie

Oahe Downstream Recreation Area

Oahe Downstream Recreation Area

Lake Herman State Park

Lake Herman State Park

Fossil Exhibit Trail

Fossil Exhibit Trail

Brush Creek Trailhead

Brush Creek Trailhead

Willow Creek Trailhead

Willow Creek Trailhead

Lake Cochrane Recreation Area

Lake Cochrane Recreation Area

Union Grove State Park

Union Grove State Park

Badger Hole Trailhead

Badger Hole Trailhead

Lake Alvin Recreation Area

Lake Alvin Recreation Area

BHNF Trail #9: Harney Peak South

BHNF Trail #9: Harney Peak South

BHNF Trail #58: Osprey Trail

BHNF Trail #58: Osprey Trail

BHNF Trail #80: Little Spearfish Trail

BHNF Trail #80: Little Spearfish Trail

BHNF Trail #15: Iron Creek

BHNF Trail #15: Iron Creek

Sandy Shore Recreation Area

Sandy Shore Recreation Area

Oakwood Lakes State Park

Oakwood Lakes State Park

Custer State Park

Custer State Park

Lake Thompson Recreation Area

Lake Thompson Recreation Area