Know before you go
Hi, I'm Eve. Here are a few practical things to know before exploring Scovel Johnson Tunnel.
Local know-how to help you travel smarter and make the most of every moment.
Explore the Scovel Johnson Tunnel, a historical marvel nestled in South Dakota's breathtaking Black Hills, where nature meets engineering excellence.
The Scovel Johnson Tunnel is a stunning historical landmark nestled in the scenic landscapes of Keystone, South Dakota. This remarkable structure offers visitors a unique glimpse into the engineering feats of the past while providing breathtaking views of the surrounding Black Hills. It's a must-visit for any traveler seeking adventure and history.
Opening times, essentials, and a few local tips gathered into one calmer, easier-to-scan planning section.
Hi, I'm Eve. Here are a few practical things to know before exploring Scovel Johnson Tunnel.
Local know-how to help you travel smarter and make the most of every moment.
Walking
From the center of Custer, start at the Custer County Courthouse. Head west on Mt. Rushmore Road (US-16) towards the junction with SD-89. Continue straight on US-16 for about 9 miles. You will pass through the scenic Black Hills area, enjoying the views along the way. Keep an eye out for signs directing you towards Keystone. As you approach Keystone, look for the turn-off to Scovel Johnson Tunnel, which is located along US-16 Scenic. The tunnel will be visible from the roadside, and you can take a moment to enjoy the view.
Biking
Begin your adventure at the Custer County Courthouse and head west on Mt. Rushmore Road (US-16). Make sure to wear a helmet and follow all bike safety rules. Travel along US-16 for approximately 9 miles, enjoying the fresh air and beautiful scenery. This route is popular among cyclists. When you reach the area of Keystone, watch for the signs for Scovel Johnson Tunnel. The tunnel is located directly on US-16 Scenic, and there is space to park your bike safely nearby.
Hiking
If you're feeling adventurous, you can hike from Custer to Scovel Johnson Tunnel. Start at the Custer County Courthouse and head west on Mt. Rushmore Road (US-16). After about 1 mile, you will reach a trailhead that leads toward the Black Hills National Forest. Follow the marked trails that lead towards Keystone, which is approximately 9 miles away. The hike may take several hours, so make sure to bring water and snacks. Upon reaching Keystone, you can walk along US-16 Scenic to find Scovel Johnson Tunnel. Enjoy the natural beauty along the way!
Use Tower Bridge as your starting point for nearby food, family ideas, nightlife, and more local discoveries.
Explore expert travel guides, compare and book tours, experiences, hotels, and more—all from the palm of your hand. Download now for seamless trip planning wherever your wanderlust takes you.
Discover Custer, South Dakota – a historic city in the Black Hills offering charming downtown streets, awe-inspiring natural beauty, and exciting outdoor adventures.
Tell me more about Custer