Driggs to West Yellowstone: Ultimate Road Trip Guide

Driving from Driggs, ID to West Yellowstone, MT along US-20 and US-191 covers roughly 85 miles and takes about 1 hour 45 minutes without stops. This route traces the western edge of the Teton Range, offering dramatic views of the Grand Teton and the Snake River Valley. Notably, just south of West Yellowstone, you cross the Continental Divide at an elevation of 7,880 feet—a subtle but significant geographic milestone.

Historically, this path follows segments of the old Yellowstone Trail, one of America's earliest transcontinental auto routes established in 1912. Today, it remains a vital corridor for accessing Yellowstone National Park. For tips on how to find the best stops and hidden gems between cities, check out this guide.

Below is a quick reference table for the route's key metrics.

Fuel stations are sparse between Ashton and West Yellowstone, so fill up in Driggs or before leaving I-84. The last reliable gas is at the Sinclair station in Ashton at mile marker 25. Electric vehicle charging is limited; Level 2 chargers exist in Driggs but none in West Yellowstone until you enter the park.

Road quality along US-20 is excellent in summer, with occasional frost heaves in spring. US-191 north of Ashton is well-maintained but follows a winding mountain corridor; check for temporary construction in late May. Most services (restaurants, lodging) cluster in Driggs and West Yellowstone. The tiny town of Ashton has a few cafes and a hardware store.

Key logistics checklist:

• Fuel up before leaving Driggs or Ashton.
• Carry cash for small vendors; ATMs are rare between towns.
• Cell service drops after Ashton—download offline maps.
• No public restrooms exist in the national forest between Ashton and West Yellowstone; use facilities in Ashton or plan a pit stop at the Island Park Ranger Station.

For an average vehicle, how long to drive Driggs, ID to West Yellowstone, MT is about 1h45m. But is it worth driving Driggs, ID to West Yellowstone, MT? Absolutely—the scenery transforms from Teton panoramas to lodgepole pine forests, and the journey itself is a highlight.

The route traverses the Caribou-Targhee National Forest and the Henry's Fork Caldera, a massive volcanic depression 17 miles wide. To the east, the Teton Range rises abruptly from the valley floor—a classic fault-block mountain range. The best stops Driggs, ID to West Yellowstone, MT include the Harriman State Park, a wildlife refuge with trumpeter swans, and the Mesa Falls Scenic Byway (Idaho Highway 47) that leads to Lower Mesa Falls, a 65-foot cascade.

Local commerce in Driggs centers on the Teton Valley Farmers Market (Saturdays June-Sept) and art galleries along Main Street. In West Yellowstone, the Grizzly & Wolf Discovery Center offers rehabilitation education. The route is part of the Greater Yellowstone Ecosystem, a UNESCO-listed biosphere reserve; while Yellowstone National Park itself is a World Heritage Site, the corridor passing through the John D. Rockefeller Jr. Memorial Parkway is equally pristine.

Things to do between Driggs, ID and West Yellowstone, MT include:

• Visit the Earth's Core Observatory just north of Ashton (a lava tube cave).
• Fish the Henry's Fork of the Snake River—a blue-ribbon trout stream.
• Hike the Harriman Trail for panoramic views of the Tetons.

Wildlife crossings are frequent—elk, deer, and sometimes bison appear near the road. Drive cautiously at dawn and dusk. Speed limits vary: 65 mph on US-20, dropping to 55 mph through Ashton and 45 mph in construction zones. The road has no shoulders in many sections; pullouts are marked every few miles for scenic overlooks.

For families, the 360-degree view of the Tetons at the Driggs Overlook (mile 0) is a great photo op. The West Yellowstone entrance gate has a visitor center with ranger programs. Children will enjoy spotting wildlife and the geyser basins once inside the park. Pet-friendly framework: most national forest land allows dogs on leash, but Yellowstone’s boardwalks require pets to remain outside the park; accommodations in West Yellowstone often accept pets for a fee.

Fatigue management & rest zones:

• Rest area at the Teton Scenic Overlook north of Driggs (mile 5).
• Ashton Community Park (mile 25) has picnic tables and a pond.
• Big Springs parking area (mile 55) offers a short walk to the source of the Henry's Fork.
• Mile 79: the West Yellowstone visitor center has restrooms and information.

Hidden off-route spots: Take Cave Falls Road south of Ashton to see the remnants of the 2020 wildfire and a hidden waterfall. Or detour onto Buffalo Road near Island Park to glimpse the Buffalo River, a prime moose habitat. Culinary infrastructure is limited—pack a cooler with snacks from the Driggs Co-op or grab huckleberry ice cream at the Huckleberry Scoop in Ashton.