Pocatello to Evanston Road Trip Guide – Wayro

Leaving Pocatello, Idaho, you'll climb the Portneuf Gap and cross the 7,100-foot Monida Pass into Wyoming, following Interstate 15 and US-30 for roughly 190 miles. This drive takes about 3.5 hours without stops, but the real reward is the stark contrast between the volcanic Snake River Plain and the snow-dusted Wasatch Range ahead. The route sits on the eastern edge of the Basin and Range Province, where fault-block mountains create dramatic valleys.

This guide covers everything from fuel stops and pet-friendly breaks to the best off-route overlooks, ensuring you see more than just the interstate. For additional inspiration on uncovering roadside treasures, check out how to find the best stops and hidden gems between cities.

Safety on this route is generally high: I-15 is well-maintained, but winter driving from November to March can be hazardous—carry chains and check the forecast, as snow squalls form suddenly near the Portneuf Gap. Routine highway patrol presence is visible, but rural sections have limited cell service, so download offline maps.
For families, Lava Hot Springs' Splashland indoor pool (year-round, 88°F) is a hit with kids, while the Soda Springs Golf Course offers a 9-hole family-friendly layout (summer only).

Pet-friendly amenities are sparse but adequate: most rest areas allow leashed pets, and Lava Hot Springs has a designated dog park on Center Street. In Montpelier, the city park has water fountains and shade for midday breaks.

Fatigue management is crucial on long stretches. Plan rest stops every 2 hours: the Soda Springs rest area on US-30 has picnic tables and interpretive displays about the Bear River Massacre. If you need a power nap, the roadside vista points near Georgetown Summit offer pull-offs with safe overnight parking (though no lights).

One hidden off-route gem: the historic Paris Tabernacle in Paris, ID (25 miles west of Montpelier), a sandstone Mormon church built in 1889, offers a serene detour and a glimpse of pioneer craftsmanship. Combine this with the Paris Springs greenhouse for a refreshing pause.

About 50 miles south of Pocatello, Lava Hot Springs offers natural geothermal pools (admission $7.50 for the main pools) and a cascading river hot spring that's free to soak in – a quintessential stop for not bolded relaxation. Further south, Soda Springs boasts the only captive geyser in the U.S., which erupts every hour to a height of 100 feet (a local landmark since 1937). The nearby Caribou-Targhee National Forest hides trails through alpine meadows, but you'll need a free Recreation.gov permit for overnight backcountry camping.

Wyoming's Fossil Butte National Monument, just 15 miles west of Kemmerer, preserves a 50-million-year-old lake bed with fish and insect fossils – the visitor center displays a 13-foot fish skeleton that's a must-see for geology buffs. The region is also dotted with family ranches selling fresh produce and huckleberry pies at roadside stalls, particularly near Montpelier, Idaho.

Local commerce thrives on tourism: small-town diners and motels in Montpelier (birthplace of Oregon Trail pioneer Narcissa Whitman) offer a taste of pioneer history. The George Washington Carver cabin in Declo, ID, marks a quirky stop for history lovers, though it's 20 minutes off the main highway.

While not a UNESCO World Heritage Site, Yellowstone's southern entrance (85 miles from Evanston via US-89) is a long detour. Instead, focus on the nearby Bear River Range – part of the Greater Yellowstone Ecosystem – which offers comparable volcanic geology without the crowds. For a deeper dive into the region's unique terrain, visit the Oregon Trail Museum in Montpelier, where you can see ruts left by 19th-century wagons.

The route follows I-15 south to US-30, with easy access to gas and restrooms at major exits like McCammon, Lava Hot Springs, and Montpelier. Fuel prices are lower in Idaho; fill up in Pocatello or Lava Hot Springs before crossing into Wyoming, where prices often spike by 10-15%. If you're wondering is it worth driving Pocatello, ID to Evanston, WY? – yes, especially if you value scenic variety and small-town charm over a nonstop interstate haul.

• Interstate 15 is a four-lane divided highway with 80 mph speed limits in Idaho, dropping to 70 in Wyoming construction zones.
• US-30 from Soda Springs to Evanston is a two-lane road with periodic passing lanes – check road conditions at 511.idaho.gov and wyoroad.info.
• No tolls anywhere on this route.