From Custer, drive one mile east on Highway 16A. Take Highway 89 north eight miles to Sylvan Lake.
From Hill City, drive three miles south on Hwy 385/16. Take a left onto Highway 89 and drive six miles to Sylvan Lake.
South Dakota Trails / State Parks
BHNF Trail #4: Cathedral Spires
Richmond Lake Recreation Area
Mina Lake Recreation Area
Creekside Trail at Custer State Park
Cow Creek Recreation Area
South Side and Valley View Trails at Devils Tower National Monument
Lake Hiddenwood Recreation Area
Pelican Lake Recreation Area
West Pollock Recreation Area
BHNF Trail #77: Dugout Gulch Botanical Trail
Revheim Bay Recreation Area
BHNF Trail #76: 76 Trail
BHNF Trail #9: Harney Peak North
BHNF Trail #88: Cook Lake
Fisher Grove State Park
BHNF Trail #48: Mount Roosevelt