Driggs to Spearfish Road Trip: Epic Wyoming Crossing

The route from Driggs, Idaho to Spearfish, South Dakota precisely follows the historic Oregon Trail corridor for over 300 miles—the same path traveled by 400,000 pioneers between 1840 and 1869. Unlike the wagon trains, you'll cover the 680 miles in about 10-11 hours of driving time, but the landscape still whispers of that arduous journey.

This is one of America's most underrated cross-prairie drives, linking the Teton Valley of Idaho with the Black Hills of South Dakota. You'll traverse three states, climb over two major continental divides, and pass through 200 miles of Wyoming's high desert. The best stops Driggs, ID to Spearfish, SD are spaced roughly every 90 minutes, making this an ideal two-day expedition or a challenging single day for experienced road warriors.

Wondering how long to drive Driggs, ID to Spearfish, SD? Excluding stops, expect 10-11 hours at legal speeds. But is it worth driving Driggs, ID to Spearfish, SD? Absolutely—this trip offers a condensed cross-section of the American West, from glaciated peaks to fossil-studded prairies. For a deeper philosophy on finding hidden gems along any highway, check out how to find the best stops and hidden gems between cities.

Wyoming highways are notorious for high winds—southwest of Rawlins, gusts can exceed 50 mph, toppling semi-trucks. Check weather alerts for I-80 closures. Animal collisions (antelope, deer, cattle) are common at dawn/dusk; use high beams when safe.

• Family-friendly stop: The Wyoming Frontier Prison in Rawlins (tours, ghost stories; open summer).
• Pet-friendly: Rest areas on I-80 have designated pet walks (e.g., Little America rest area).
• Fatigue spots: Use the Quealy Gap rest area (15 miles east of Rock Springs) or the Terry Bison Ranch (exit 4 on I-25 near Cheyenne) for longer breaks.

For child suitability, plan stops every 2 hours. In Buffalo, WY, the Crazy Woman Trading Post offers pony rides. Spearfish's City Park has a splash pad. If you're traveling with teens, the a href link above provides methods for gamifying the search for hidden stops.

Your primary highways are US 20/US 26 from Driggs to Casper, then I-25 North to I-90 East into South Dakota. After leaving Driggs, you'll climb toward Teton Pass (WY 22), then drop into Jackson Hole. From there, US 191 joins US 189 south to Rock Springs, where I-80 takes over east through Rawlins, Laramie, and Cheyenne. At Cheyenne, take I-25 north to I-90 east, crossing into South Dakota past Sundance toward Spearfish.

• Teton Pass elevation: 8,431 feet—steep grades (10%) demand low gears for RVs and trailers.
• Between Rawlins and Laramie, I-80 is America's highest interstate, peaking at 8,640 feet at Sherman Summit.
• Fuel stops are abundant along I-80 and I-90; western Wyoming (Pinedale, Rock Springs) has stations every 30-50 miles.
• Cell coverage is spotty in central Wyoming (especially between Rawlins and Laramie)—download offline maps.

From Driggs, the Teton Range dominates your rearview mirror as you descend into Jackson Hole. The Snake River snakes alongside US 191 for 50 miles, offering pullouts for photography. Things to do between Driggs, ID and Spearfish, SD include visiting the National Museum of Wildlife Art in Jackson (5 minutes off route) or the iconic Moulton Barn at Mormon Row.

After Rock Springs, the Red Desert stretches east—an otherworldly landscape of sand dunes and alkali flats. The Continental Divide is crossed three times on I-80. Near Rawlins, the 287 million-year-old fossilized forests of the Seminoe Mountains are visible from rest areas. In South Dakota, the Black Hills rise abruptly from the plains, with Spearfish Canyon offering 1,000-foot limestone walls and cascading waterfalls like Bridal Veil Falls.

Local commerce along the route includes Pinedale's Wind River Brewing Co. for craft beer, Rock Springs' Chinese heritage museum, and the restored Union Pacific Depot in Evanston. In Cheyenne, the Historic Plains Hotel offers a glimpse into railroad-era luxury. Spearfish's main street is lined with shops selling Black Hills gold jewelry and leather goods.