Hanksville to Gardiner: Scenic Drive Guide

The route from Hanksville, UT to Gardiner, MT covers roughly 600 miles via I-15 and I-90, passing through the heart of the American West. This journey traverses the Colorado Plateau, the Wasatch Range, and the Northern Rockies, offering dramatic transitions in geology and ecology.

Originally a corridor for fur trappers and pioneers, today it connects the red rock deserts of southern Utah to the gateway of Yellowstone National Park. The drive typically takes 10-12 hours of pure driving time, but plan for at least two full days to appreciate the stops.

Just north of Hanksville, the route crosses the San Rafael Swell, a geologic uplift with dinosaur fossil sites and the Little Grand Canyon. Farther north, the Wasatch Range offers alpine scenery, while the final leg into Gardiner follows the Yellowstone River through Paradise Valley, with views of the Absaroka Range.

UNESCO World Heritage Sites within a detour include Yellowstone National Park (just north of Gardiner) and the Frank Lloyd Wright architecture at the Marin County Civic Center (though out of the way). The route itself is not a UNESCO corridor.

Along the way, local commerce thrives in towns like Price, UT, and Dillon, MT, where you'll find mom-and-pop diners and artisan shops. For a unique break, stop at the Territorial Statehouse in Fillmore, Utah's first capital, or the Teton Flood Museum in Rexburg, ID.

Fuel stations are sparse between Hanksville and the I-15 corridor; fill up in Hanksville (only two options) and again in Salina or Nephi. Gas prices tend to be higher in remote areas, so budgeting $0.30 more per gallon is wise. The route includes toll-free highways, but expect construction delays in summer.

• Road quality: Excellent on interstates, with well-maintained surfaces and clear signage.
• Rest areas: Available every 50-60 miles on I-15 and I-90, most with picnic tables and restrooms.
• Alternative route: US-89 north from Spanish Fork to I-15, which is scenic but adds time.

For navigation, use GPS but carry a paper map as backup for the stretch between Hanksville and I-15. Cell service is unreliable in canyons and mountain passes.

Winter driving from November to March requires chains and winter tires, especially over passes like Monida Pass (6,900 ft) and Teton Pass. Summer brings afternoon thunderstorms and occasional flash floods in desert washes; heed road closures.

For families, the route includes natural playgrounds like the dinosaur tracks near St. George (detour) and the Grizzly & Wolf Discovery Center in West Yellowstone (close to Gardiner). Kid-friendly dining options exist in major towns but are scarce in remote stretches.

Pets are welcome at most rest areas and motels, but note that Yellowstone National Park requires leashes and restricts pets on trails. Plan for rest stops every two hours; ideal spots include the Heber Valley Historic Railroad, Bear Lake, and the Beaverhead Rock State Park.

To manage fatigue, rotate drivers, use the buddy system, and pull over at designated rest zones like the Red Rock Pass overlook. For finding unique stops, check this guide on how to find the best stops and hidden gems between cities.