Castle Trail (West)

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

Trail Elevation:
Trail Difficulty: Moderate
Trail Distance: 10 miles/16 km (round trip)

South Dakota Trails / State Parks

Sica Hollow State Park

Sica Hollow State Park

Randall Creek Recreation Area

Randall Creek Recreation Area

Hartford Beach State Park

Hartford Beach State Park

BHNF Trail #40: Deerfield Trail

BHNF Trail #40: Deerfield Trail

West Pollock Recreation Area

West Pollock Recreation Area

Medicine Loop (West)

Medicine Loop (West)

Flying V Trail

Flying V Trail

Tamarack Gulch Trailhead

Tamarack Gulch Trailhead

BHNF Trail #9: Harney Peak South

BHNF Trail #9: Harney Peak South

Notch Trail

Notch Trail

Iron Creek Trailhead

Iron Creek Trailhead

Castle Trail (East)

Castle Trail (East)

Newton Hills State Park

Newton Hills State Park

BHNF Trail #64: Crow Peak Trail

BHNF Trail #64: Crow Peak Trail

Grace Coolidge Walk-In Fishing Area at Custer State Park

Grace Coolidge Walk-In Fishing Area at Custer State Park

South Side and Valley View Trails at Devils Tower National Monument

South Side and Valley View Trails at Devils Tower National Monument

Spirit Mound Historic Prairie

Spirit Mound Historic Prairie

Pelican Lake Recreation Area

Pelican Lake Recreation Area