The Needles Highway is one of the most visually distinctive motorcycle roads in the United States. Located inside Custer State Park in South Dakota, this scenic route winds through towering granite rock formations known as “the Needles,” creating a dramatic riding environment unlike most mountain roads.
Although the highway is relatively short at about 14 miles, it features tight curves, narrow tunnels carved through rock, and striking views of the surrounding Black Hills landscape.
This route is featured in our guide to the Best Motorcycle Roads in America.
🔍 Quick Facts
Distance
14 miles
Elevation
~4,700 – ~6,427 ft
Surface
100% Paved
Best Time
Jun – Sep
Skill Level
Int – Adv
Route Overview
Needles Highway runs along South Dakota Highway 87, connecting Sylvan Lake with the southern section of Custer State Park.
The road was completed in 1922 and designed specifically to highlight the unique granite formations that define the region.
Because of its narrow lanes and tunnels, riders should expect slower speeds and frequent scenic stops.
What Makes This Ride Special
Granite Rock Spires
The highway winds between tall rock formations that give the road its name.
Narrow Rock Tunnels
Several tunnels are carved directly through granite cliffs.
Sharp Curves and Switchbacks
The road includes tight turns that require careful riding.
Black Hills Scenery
The surrounding landscape features forests, wildlife, and dramatic rock formations.
Route Highlights
Needles Eye Tunnel
One of the most famous rock tunnels along the route.
Sylvan Lake
A scenic lake often considered the gateway to the Needles Highway.
Cathedral Spires
Tall granite formations visible from several sections of the road.
Tips for Motorcycle Riders
- Ride slowly through narrow tunnels and curves.
- Watch for wildlife in Custer State Park.
- Tourist traffic may increase during peak summer months.
Best Time to Ride
Late spring through early fall typically offers the best riding conditions in the Black Hills region.
Final Thoughts
While the Needles Highway is short in distance, its dramatic rock formations and unique tunnels make it one of the most memorable motorcycle rides in the Black Hills.