Rapid City to Watford City Road Trip Guide: Badlands to Oil Fields

The route from Rapid City, SD to Watford City, ND follows US-85 north for 376 miles, bridging the Black Hills and the Dakota prairies. This corridor was once part of the historic Fort Union and the Mormon Pioneer trails, shaping the settlement of the Upper Great Plains. The drive takes about 5.5 to 6.5 hours without stops, but the real value lies in the landscapes and history you'll encounter.

• Highway: US-85 (mostly two-lane, four-lane segments near Rapid City and Williston)
• Distance: 376 miles (605 km)
• Driving time: 5.5–6.5 hours nonstop
• Best season: May–October for mild weather and open visitor centers

For tips on maximizing your trip, check out how to find the best stops and hidden gems between cities. You'll want to plan for at least one overnight to fully appreciate the region.

US-85 is a well-maintained highway but rural sections can have limited services. Fuel stops are crucial: between Rapid City and Bowman, ND is a 195-mile stretch with only a few gas stations at Wall, Kadoka, and Buffalo. Best practice is to fill up at Wall (60 mi) and again at Buffalo (135 mi).

• Fuel: Gas available every 30-60 miles on US-85, but hours may vary; some stations close early. Plan to fill by 5 PM.
• Lodging: Options cluster around Wall, Kadoka, Buffalo, Bowman, and Watford City. Motels and mid-range hotels are abundant.
• Cell Coverage: AT&T and Verizon have spotty coverage from east of Buffalo to north of Bowman; download offline maps.
• Restrooms: Most gas stations and rest areas (with picnic tables) appear every 40-60 miles.

Economics: Fuel prices tend to be 10-15 cents higher per gallon in remote areas. On average, you'll spend about $65-$85 on gas for a standard sedan. Parking is free at most attractions, but the National Park entrance fees apply.

US-85 is two lanes for most of the route, with occasional passing lanes. Watch for trucks, especially heavy oil-haulers north of Belfield. Speed limits are 65 mph but reduce to 55 in small towns.

• Child suitability: Excellent for kids fascinated by fossils and prairie dogs. Badlands and Teddy Roosevelt Park both have Junior Ranger programs.
• Pet-friendly: Dogs allowed on leashes in parks but not on trails or backcountry. Rest stops with grass are scarce; plan walks at picnic areas.
• Rest zones: Designated rest areas at mile markers 39 (near Buffalo), 22 (north of Bowman), and 17 (south of Watford). Smaller pull-offs with portables exist.
• Fatigue management: The long, straight prairie sections can be monotonous. Stop every 2 hours or at each major attraction to break up the drive.

Hidden off-route spots: The Enchanted Highway (9 miles east of Gladstone, ND) features giant metal sculptures; it's a fun diversion. Also, the Petrified Forest in Theodore Roosevelt NP is a short hike.

The landscapes change dramatically from the pine-covered Black Hills into the barren Badlands formations, then flatten into vast prairies as you cross into North Dakota. Along US-85, you'll encounter the rugged buttes of the Little Missouri River valley near the state line.

• Badlands National Park: Sharp spires and layered rock formations; the 39-mile scenic loop is a must.
• Theodore Roosevelt National Park (South Unit): 36-mile scenic drive through petrified forests, bison herds, and panoramic vistas.
• Custer National Forest: Lush, unexpected forest patches near Buffalo, SD; good for a short hike.

Local commerce thrives on tourism and agriculture. In Wall, the famous Wall Drug draws crowds with free ice water and quirky shopping. Buffalo and Bowman offer small-town charm with antique shops and local diners. Watford City's economy booms with oil, so you'll find modern hotels and fast food.