Thermopolis to Kanarraville: Epic Road Trip Guide

The drive from Thermopolis, WY to Kanarraville, UT spans 460 miles, crossing the Continental Divide at an elevation of 7,286 feet via US-20 and US-26.

This route traces ancient seabeds, volcanic formations, and the edge of the Colorado Plateau, offering a visual feast for geology enthusiasts.

Notably, Thermopolis is home to the world's largest mineral hot spring, which flows at 3.7 million gallons per day.

In total, the journey typically takes 9–10 hours of driving time, but plan for at least two days to savor the attractions.

Since the route spans multiple climate zones, from arid plains to high desert, it's essential to prepare for rapidly changing weather conditions.

All roads are paved and well-marked. In winter, snow and ice are possible, especially on WY-28 and US-89; carry chains and check forecasts.

Summer brings thunderstorms and occasional hail. Watch for wildlife (elk, deer) at dawn and dusk.

For families, the National Museum of Wildlife Art in Jackson Hole (90 miles west of Rock Springs) offers engaging exhibits, but a more direct stop is the Wyoming Dinosaur Center in Thermopolis at the start.

Pet-friendly hotels are abundant in towns like Riverton and Rock Springs, and nearly all rest areas allow pets on leashes.

To manage fatigue, stop every two hours. Rest areas are located at many exits on I-80, but on two-lane highways, look for pull-offs.

Hidden off-route gems include the Ice Cave near Shoshoni (blowing cold air year-round) and the surreal Red Desert (accessible via gravel roads south of Farson) with its shifting sand dunes.

Culinary infrastructure includes classic truck stops and family-owned cafes; don't miss the green chili at Thornton's in Lander.

For a unique local experience, visit the annual Lander Brewfest in August, showcasing regional craft beers.

Ending in Kanarraville, Utah offers proximity to Zion National Park, which is a must-see for its immense sandstone cliffs and slot canyons.

The Wind River Canyon (between Thermopolis and Riverton) features granite walls with 2.7-billion-year-old rocks and is a designated scenic byway.

Farson, a tiny town with a population of 300, is home to the Farson Mercantile—a classic country store known for its huge ice cream cones and as a gathering spot for travelers.

Rock Springs boasts the Chinese American Museum, which preserves heritage from the 1860s railroad era.

The route passes near three UNESCO World Heritage Sites: Yellowstone National Park (via a detour from Cody, about 2 hours north), the Frank Lloyd Wright-designed Taliesin West in Arizona (far out of the way), and the Grand Canyon (not practical). However, the closest UNESCO site directly along the route is the monument to the United States' first electric power plant in Idaho (if you detour), but actually, the only significant UNESCO listing in the vicinity is the Statue of Liberty–no, that's not right. Let me correct: There are no UNESCO World Heritage Sites directly on the route; the nearest are Yellowstone and Grand Canyon, both requiring significant detours. The article should not include misinformation, so we'll simply state that no UNESCO sites lie directly along, but Yellowstone is a viable side trip (~120 miles from Thermopolis).

Local commerce thrives in small towns like Lander, known for its art galleries and climbing community, and Pinedale (slightly off-route) with its Green River Rendezvous heritage.

Amid the high desert, you'll find ranch-owned diners serving hearty Western fare.

The most efficient path follows US-26 west to Riverton, then US-287 to Lander, then WY-28 through the Wind River Canyon to Farson, then US-191 to Rock Springs, I-80 west to Evanston, and finally US-89/I-15 south to Kanarraville.

• Fuel economy: Expect average gas prices around $3.50/gallon; a mid-size car gets ~30 mpg, costing about $54 one-way.
• No tolls on the entire route.
• Cell coverage is spotty in remote sections like WY-28 and US-89; download offline maps.
• Most major towns (Riverton, Lander, Rock Springs) have reliable service.

Road quality is generally good, with well-maintained asphalt on all major highways. However, expect occasional construction delays during summer months.

Rest areas are available at regular intervals, but in rural sections, they can be few and far between. Plan your breaks accordingly.

For a detailed approach to discovering waypoints, see how to find the best stops and hidden gems between cities.