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 #50: Flume Trail
Adams Homestead and Nature Preserve
Mina Lake Recreation Area
Rapid Creek Trailhead
Highland Creek Trailhead
Edgemont Trailhead
South Side and Valley View Trails at Devils Tower National Monument
BHNF Trail #93: Sundance Trail
Boland Ridge Trail at Wind Cave National Park
BHNF Trail #77: Dugout Gulch Botanical Trail
BHNF Trail #40L: Deerfield Lake Loop Trail
Llewellyn Johns Recreation Area
Springfield Recreation Area
BHNF Trail #9: Harney Peak North
LaFramboise Island Nature Area
BHNF Trail #58: Osprey Trail