Black Elk Peak building at the summit. Also called Harney Peak in Custer State Park.

Custer State Park: Black Elk Peak Trailhead / Harney Peak

Hike this popular trail at Sylvan Lake leading to South Dakota’s highest peak with scenic summit views and historic charm. Considered moderately challenging.

Keystone, SD 57751

About

The Black Elk Peak Trailhead at Sylvan Lake in Custer State Park is the most popular starting point for reaching the highest point in South Dakota. This peak is the tallest point between the Rockies and the European Alps. From this trailhead, hikers follow Trail #9 on a steady, well-maintained route that winds through ponderosa pine forest, granite outcrops, and scenic overlooks. The round-trip hike is approximately 7 miles and offers sweeping views of the Black Hills along the way. Near the summit, visitors will find a historic stone fire tower that provides panoramic views stretching across multiple states on clear days. The trail is considered moderately challenging and is suitable for most hikers with a reasonable level of fitness. Parking is available at Sylvan Lake, making this a convenient and iconic access point for one of the region’s most rewarding hikes.

Photos

The view from the top of the Black Elk Peak (Harney Peak) Trail in Custer State Park.
The view of the Black Hills from Black Elk Peak in Custer State Park. Harney Peak.
Stone steps on the Black Elk Peak trail. AKA Harney Peak in Black Hills, South Dakota.