Gardiner to Riverton Drive: Scenic Route Guide

This 340-mile drive from Gardiner, Montana (the north entrance to Yellowstone National Park) to Riverton, Wyoming follows US-89 south through Yellowstone's Lamar Valley and Grand Teton country, then turns east on US-26 towards the Wind River Basin. The route crosses the Continental Divide twice and descends from 5,300 feet to 4,800 feet, passing through three distinct ecosystems: alpine meadows, high desert, and river valleys.

Driving time is roughly 6 to 7 hours without stops, but you'll want to allot a full day to absorb the scenery. This guide covers the best stops, practical logistics, and local insights to help you decide if the drive is worth your time—it is, especially for wildlife enthusiasts.

The route traverses the Greater Yellowstone Ecosystem, home to the largest free-roaming bison herd in the U.S. Lamar Valley, nicknamed 'America's Serengeti,' offers prime wolf watching at dawn. The drive also skirts the Absaroka Range, visible east of the road between Tower and Canyon.

UNESCO World Heritage Site designation applies to Yellowstone National Park, encompassing most of the first 60 miles. Beyond that, you pass through the Wind River Indian Reservation, where local Shoshone and Arapaho culture is honored at small trading posts like the one in Fort Washakie.

Local commerce along the route is minimal but authentic: family-run gas stations in Dubois sell handmade crafts, and Riverton's Friday farmer's market (summer only) features Wyoming-grown produce. Curious about discovering more hidden gems? We have tips on how to find the best stops and hidden gems between cities.

Climate varies dramatically: Yellowstone summer highs reach 75°F, while Riverton averages 85°F; nights drop to 30°F even in July at higher elevations. Carry layers and sunscreen.

Wildlife collisions are the top safety concern; slow down at dawn/dusk and be alert for bison, elk, and bears. The road has no shoulders in many stretches, so pullouts are the only safe view spots. Cell service is nonexistent between Yellowstone's interior and Moran, so download offline maps.

Family stops: The Grizzly & Wolf Discovery Center in West Yellowstone (detour) is educational but not on route; in Yellowstone, the Canyon Visitor Education Center offers interactive exhibits. The Petroga (petroglyph) boardwalk near Dubois lets kids stretch legs while viewing ancient rock art.

Fatigue management: Plan rest stops every 2 hours; ideal spots include Fishing Bridge (picnic tables), Gros Ventre Campground (river views), and Boysen State Park (near Riverton). For real breaks, the Old Faithful area has ample benches and food courts—a good midway point if you take the loop.

Pet-friendly framework: Most pullouts and short walks accept leashed pets, but Yellowstone backcountry trails do not allow dogs due to wildlife. Designated pet exercise areas exist at Mammoth and Fishing Bridge. Never leave pets in cars on warm days.

Fuel is a critical concern on this route. The longest stretch without gas is between Mammoth Hot Springs and Tower-Roosevelt (18 miles), but after leaving Yellowstone National Park at the South Entrance, there is a 80-mile gap before Dubois, Wyoming. Plan to fill up at Moran Junction (moose-watching spot) or Teton Village if you detour.

Road quality varies: within Yellowstone, pavement is well-maintained but narrow with sharp curves; US-26 east of Moran is a smooth two-lane highway with occasional passing lanes. Winter travel requires snow tires or chains from November to April; summer construction delays are common near Yellowstone.

• Fuel stops: Mammoth, Tower (seasonal), Canyon Village, Fishing Bridge, Moran (seasonal), Dubois, Riverton
• Food options: Cafeterias in Yellowstone, small diners in Dubois (e.g., The Rustic Pine) and Riverton (local steakhouses)
• Lodging: Yellowstone lodges (book months ahead), cabins in Moran, motels in Dubois and Riverton