Watford City to Green River: Route Guide & Hidden Gems

At mile 214 on US-85 south of Watford City, you cross the Little Missouri River—the same waterway that carved the North Dakota Badlands, then you wind through the Theodore Roosevelt National Park's south unit. This route links two geologic treasures about 480 miles apart, taking roughly 7.5 hours of driving time without stops.

Start in the badlands: ochre buttes and sculpted canyons near Medora, ND, then enter Wyoming's Powder River Basin, dotted with coal mines that supply a third of the nation's electricity. The state's first UNESCO biosphere reserve, the Yellowstone-Grand Teton cluster, isn't on this route, but nearby Fossil Butte National Monument in Kemmerer preserves ancient fish fossils—a hidden off-route gem.

Local commerce centers on ranch supply stores and diners in small towns like Buffalo and Pinedale, where 'wild game burgers' appear on seasonal menus. The best stops Watford City, ND to Green River, WY include Dead Ox Flats and the South Pass ghost town, both free to explore.

Fuel stations cluster every 50–80 miles, but between Bowman, ND, and Buffalo, WY, services thin out—fill up before leaving I-90 at exits 58 or 42. Gas prices tend to be $0.10–$0.20 cheaper in Montana and Wyoming than in North Dakota, so plan your top-ups accordingly.

• Distance: ~480 miles, 7–8 hours
• Routes: US-85, I-90 west, US-191 south
• Road condition: good; I-90 (paved) and US-191 (mountain passes)

Watch for deer on I-90 around dusk; use high beams where legal. The route includes two mountain passes (snow can close US-191 in winter). For families, the children's museum in Gillette offers hands-on exhibits, and the campgrounds at Boysen State Park have playgrounds. Pets are welcome at rest areas, but keep them leashed—rattlesnakes are active in summer.

Plan rest breaks every 2 hours; the rest area at Osage, WY, has shade and picnic tables. For fatigue, try 'coffee stops' at classic mom-and-pop cafés like the Wagon Box in Buffalo.

It's definitely worth driving Watford City, ND to Green River, WY for the scenery. Discover more: how to find the best stops and hidden gems between cities. Things to do between Watford City, ND and Green River, WY include hiking the Lance Creek trail and fly-fishing the Bighorn River.