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

Okobojo Point Recreation Area

Okobojo Point Recreation Area

Adams Homestead and Nature Preserve

Adams Homestead and Nature Preserve

BHNF Trail #76: 76 Trail

BHNF Trail #76: 76 Trail

Sandy Shore Recreation Area

Sandy Shore Recreation Area

South Boxelder Creek Trailhead

South Boxelder Creek Trailhead

BHNF Trail #4: Cathedral Spires

BHNF Trail #4: Cathedral Spires

Roughlock Falls Trail

Roughlock Falls Trail

Snake Creek Recreation Area

Snake Creek Recreation Area

BHNF Trail #15: Iron Creek

BHNF Trail #15: Iron Creek

Revheim Bay Recreation Area

Revheim Bay Recreation Area

Spring Creek Recreation Area

Spring Creek Recreation Area

Fort Sisseton Historic State Park

Fort Sisseton Historic State Park

Elk Creek Trailhead

Elk Creek Trailhead

BHNF Trail #9: Harney Peak North

BHNF Trail #9: Harney Peak North

Custer Skywalk Trail

Custer Skywalk Trail

Swan Creek Recreation Area

Swan Creek Recreation Area

Hartford Beach State Park

Hartford Beach State Park

Lake Herman State Park

Lake Herman State Park