Iron Mountain Road
Iron Mountain Road is a scenic byway renowned for its breathtaking views, winding curves, and historic significance. This 17-mile stretch features 314 curves, 14 switchbacks, and three pigtail bridges, making it a favorite among motorcyclists and driving enthusiasts. The road cuts through the Black Hills of South Dakota, offering stunning vistas of granite peaks, dense forests, and iconic landmarks like Mount Rushmore. Whether you're seeking adventure or simply want to soak in the natural beauty, Iron Mountain Road delivers an unforgettable experience.
Opening Hours
Location
Iron Mountain Road, Custer, SD 57730, USA
Everything You Need to Know
Why Visit
Experience one of America's most scenic and engineering marvels.
Enjoy unparalleled views of Mount Rushmore through the road's iconic tunnels.
Thrill-seekers will love the challenging curves and switchbacks.
Immerse yourself in the natural beauty of the Black Hills.
History & Background
Iron Mountain Road was constructed in the 1930s as part of a Depression-era project to connect Custer State Park with Mount Rushmore. Designed by engineer Peter Norbeck, the road was intentionally crafted to showcase the natural beauty of the Black Hills. Its unique features, like the pigtail bridges and tunnels framing Mount Rushmore, were engineered to provide dramatic views while preserving the landscape.
Insider Tips
Visit early in the morning or late afternoon to avoid crowds and enjoy the best lighting for photography.
Bring a camera to capture the stunning views, especially at the tunnels that frame Mount Rushmore.
Drive cautiously—the sharp curves and steep grades require attention, especially for larger vehicles.
Check weather conditions before your trip, as fog or rain can reduce visibility on the winding road.
What Visitors Say
“Visitors rave about the thrilling drive and spectacular scenery along Iron Mountain Road. Many highlight the engineering marvel of the pigtail bridges and switchbacks, while others praise the panoramic views of Mount Rushmore. It's often described as a must-do for road trip enthusiasts and nature lovers alike.”
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Iron Mountain Road, Custer, SD 57730, USA