Thermopolis to Hatch: A Wyoming-Utah Road Trip Guide

The drive from Thermopolis, WY to Hatch, UT spans approximately 620 miles, crossing Wyoming's Big Horn Basin, the Wind River Canyon, and Utah's High Plateaus before descending to the edge of the Grand Staircase-Escalante. This route includes US-20, US-26, I-80, I-84, I-15, and UT-20, with typical driving time of 10-11 hours without stops.

Notably, the route passes near Fossil Butte National Monument, a high-desert site preserving 50-million-year-old lake fossils. Plan for a full day of driving; consider an overnight stop as described below.

Fuel costs vary, with Wyoming gas averaging 15% lower than Utah's, so fill up in Wyoming. Major fuel stops include Casper, Rawlins, and Green River. For budget planning, expect to spend around $80 in fuel for a standard sedan.

Road quality is good, with well-maintained interstates and highways. Winter travel requires chains in mountain passes like Parley's Summit and the Canyons near Hatch. Check weather before departure, as closures are possible.

• Thermopolis Hot Springs State Park – free state park, hot springs pools.
• Wind River Canyon – scenic drive with 2.7-mile tunnel, fees apply.
• Boysen State Park – fishing and camping opportunities.
• Flaming Gorge National Recreation Area – scenic drives, reservoirs.
• Dinosaur National Monument – fossil quarry, hiking.
• Grand Staircase-Escalante – slot canyons and scenic byways.
• Cedar Breaks National Monument – geological amphitheater.

The route showcases varied geology: the red cliffs of Wyoming's Red Desert, the snow-capped Uinta Mountains, and Utah's pink Claron Formation near Bryce Canyon. Climatic shifts are dramatic—expect arid, windy conditions in Wyoming and cooler, higher-elevation air in Utah's mountains.

Local commerce thrives in small towns like Lyman, WY and Junction, UT, offering quirky gas stations and cafes. For culinary stops, try a pasty in Rock Springs (a Cornish miners' legacy) and a scone with honey-butter in Fillmore. The historic Mangy Moose restaurant in Jackson (detour) is famous but touristy.

Family-friendly stops include the Teton Science Schools' wildlife museum near Jackson (if detoured) and the BYU Museum of Paleontology in Provo. For pets, most rest areas have designated pet zones; check for water availability and shade.

Infrastructure safety is high, with clear signage and emergency call boxes on Interstates. Fatigue is a risk on long stretches; use rest areas like the one in Echo Canyon (mile 169) and the Sevier River rest area near Junction. Plan to stop every 2 hours or 120 miles.

Hidden off-route spots: visit the Fossil Butte visitor center's private fossil lab, or take a short drive to the Grafton Ghost Town near Zion (check directions). For a quiet break, try the Big Springs picnic area in Idaho (off I-15).

Local culture emerges in towns like Clawson and Sigurd, where you'll find roadside antiques and homemade jams. The how to find the best stops and hidden gems between cities article offers strategies for discovering such gems. When considering the best stops Thermopolis, WY to Hatch, UT, prioritize those that align with your interests. If asking how long to drive Thermopolis, WY to Hatch, UT, the base time is 10 hours, but add 2-3 hours for stops. When pondering is it worth driving Thermopolis, WY to Hatch, UT, the unique landscapes and recreational opportunities make it worthwhile. The list of things to do between Thermopolis, WY and Hatch, UT is vast; our guide highlights the essentials that are neither overly touristy nor off the beaten path.