Needles Highway

State: South Dakota. Type: scenic drive designated South Dakota Highway 87, running 37.894 miles through Custer and Pennington counties in the southern Black Hills, largely within Custer State Park and Black Hills National Forest. The Needles Highway segment was completed in 1922. Southern terminus connects to U.S. 385 near Pringle within Wind Cave National Park; northern terminus meets U.S. 16/385 south of Hill City. Part of the Peter Norbeck Scenic Byway. Passes through two tunnels blasted through granite: Iron Creek Tunnel and Needles Eye Tunnel. Closed in winter.

Needles Highway is one of the most celebrated scenic drives in the Black Hills, winding through granite spires that give the road its name as it climbs through Custer State Park toward Sylvan Lake. Completed in 1922, the route was engineered to bring visitors close to dramatic rock formations and was purpose-built as a scenic drive rather than a practical through-route, with sharp switchbacks and narrow granite tunnels, including the Needles Eye Tunnel, that were blasted directly through the rock. The road forms part of the larger Peter Norbeck Scenic Byway and connects into Custer State Park's Wildlife Loop, making it easy to combine a Needles Highway drive with wildlife-watching for the park's bison, elk and pronghorn herds. Because of its tight curves, narrow tunnels and mountainous terrain, the highway closes each winter and is best driven in a standard passenger vehicle rather than a large RV or trailer.

Needles Highway is officially South Dakota Highway 87, running about 38 miles through Custer and Pennington counties in the southern Black Hills. Its southern terminus connects to U.S. 385 near Pringle within Wind Cave National Park, and it enters Custer State Park about a mile north of that junction; its northern terminus meets U.S. 16/385 south of Hill City in Black Hills National Forest.

As a Black Hills mountain route, the highway experiences a four-season climate with cold, snowy winters and mild summers typical of the region; specific temperature data for the road corridor itself was not detailed in the sources reviewed, but its winter closure reflects the area's regular snow and ice.

The road is closed in winter due to its narrow, curving mountainous terrain, so it is only drivable during the warmer months; specific opening and closing dates were not detailed in the sources reviewed and should be confirmed with Custer State Park or South Dakota DOT before a visit, particularly in shoulder seasons like spring and late fall.

The Needles Highway segment of South Dakota Highway 87 was completed in 1922, engineered specifically to showcase the granite spire formations that give the road its name. The route became part of the broader Peter Norbeck Scenic Byway, named for the South Dakota governor and U.S. senator who championed Black Hills road-building and conservation in the early 20th century. Construction required blasting two tunnels directly through solid granite, the Iron Creek Tunnel and the narrower Needles Eye Tunnel, engineering choices that prioritized scenic drama and close contact with the rock formations over ease of passage for larger vehicles.

Driving the highway itself, stopping at pull-offs to photograph the granite needle formations, is the central activity. The route connects to Sylvan Lake at its northern end, popular for a lakeside walk, and links into Custer State Park's Wildlife Loop for wildlife-watching. Hikers can access trails into the surrounding granite country from points along the route, including trails toward Harney Peak/Black Elk Peak in the wider park and forest area.

The Needles Eye Tunnel and Iron Creek Tunnel, both blasted through granite, are signature stops along the drive. Sylvan Lake, near the highway's northern end, is a popular scenic and recreation spot. The granite needle rock formations themselves, for which the highway is named, are the main visual attraction throughout the drive.

The nearest commercial airport is Rapid City Regional Airport, roughly an hour's drive from the Black Hills area, from which visitors typically rent a car. The highway's southern end is accessible via U.S. 385 near Pringle, and the northern end via U.S. 16/385 south of Hill City, with Custer State Park entrance fees applying to the portion of the drive within the park.

The highway is closed in winter due to its mountainous, curving terrain; specific seasonal opening and closing dates were not detailed in the sources reviewed, so confirm current status with Custer State Park before planning a trip in early spring or late fall.

Because Needles Highway runs largely through Custer State Park, a park entrance license is required for the portion within park boundaries: as of research, Custer State Park's vehicle entrance license was $25 for a 1-7 day pass (or $20 per motorcycle), with annual passes at $40 for South Dakota residents and $60 for nonresidents. Confirm current pricing on the park's official site before visiting.

Driving the full highway with stops for photos and short walks typically takes one to two hours, though many visitors extend this into a half-day or full-day trip by combining it with the Wildlife Loop, Sylvan Lake, or hiking in the surrounding park and forest.

Custer State Park itself offers camping, cabin rentals and rustic lodge rooms along its road network. The town of Custer, just outside the park, and Hill City, near the highway's northern end, both offer a range of hotels, motels and vacation rentals typical of Black Hills gateway towns.

Dining options within Custer State Park are limited to park lodges and visitor facilities; a wider range of restaurants is available in the nearby towns of Custer and Hill City, both a short drive from either end of the highway.

Custer State Park's Wildlife Loop and its bison herds are directly connected to Needles Highway. Sylvan Lake sits near the highway's northern end, and Wind Cave National Park is close to the southern terminus near Pringle. Mount Rushmore and Jewel Cave National Monument are also within a short drive of the wider area.

Rapid City Regional Airport is the nearest airport with commercial service, roughly an hour's drive from the Black Hills area. No public transit serves the highway directly, so a personal or rental vehicle is necessary to drive the route.

The Needles Eye Tunnel is notably narrow, and large vehicles, RVs and trailers should check clearance restrictions before attempting the drive, since the tunnels were blasted for scenic passenger-vehicle traffic rather than large rigs. The road's sharp curves and mountainous terrain call for attentive, unhurried driving, especially when sharing narrow sections with oncoming traffic. Because the highway runs through Custer State Park, wildlife including bison may be near or on the roadway, so watch for animals and never approach them.

A camera for the granite spire scenery, water, and sun protection for stops along the drive are worth packing. If continuing on to hike near Sylvan Lake or into the surrounding park, sturdy footwear is recommended.

Check vehicle size restrictions before attempting Needles Eye Tunnel if driving an RV, trailer or larger vehicle, since the tunnel is notably narrow. Combining the drive with Custer State Park's Wildlife Loop and a stop at Sylvan Lake makes for an efficient way to see several of the park's highlights in one trip. Because the road closes in winter, plan a visit for the warmer months and confirm current seasonal status with the park beforehand.

Dial 911 for any emergency. For Custer State Park visitor information, call 605-255-4515 or email custerstatepark@state.sd.us.

Custer State Park (South Dakota Game, Fish and Parks) - https://gfp.sd.gov/custer-state-park/

This section is being updated and will be available shortly.

This section is being updated and will be available shortly.

This section is being updated and will be available shortly.