Missoula to The Dalles Road Trip: Scenic Drives & Hidden Gems

The journey from Missoula, Montana to The Dalles, Oregon traces the ancient path of the Clark Fork River and the Columbia River Gorge. Along US-12 and I-90, you'll traverse the rugged Bitterroot Range, cross the Idaho Panhandle, and descend into the rain shadow of the Cascade Range. In The Dalles, you'll stand on basalt cliffs where the Columbia River narrows—a spot Native Americans fished for salmon for millennia.

This route combines interstate cruising with two-lane highways through mountain passes. The first leg from Missoula to the Idaho border on I-90 is a divided highway. At Coeur d'Alene, you switch to US-12, a scenic winding road that hugs the Lochsa River. The final stretch uses I-84 from Pendleton to The Dalles.

• Fuel stops: Fill up in Missoula, Coeur d'Alene (ID), Lewiston (ID), and Pendleton (OR). Gas stations are sparse on US-12 between Kooskia and Lolo Pass.
• Tolls: None. All highways are toll-free.
• Cell service: Spotty in the Clearwater National Forest. Download offline maps.
• Altitude: Lolo Pass reaches 5,235 feet; snow possible even in May.

The scenery evolves from Montana's ponderosa pine forests to Idaho's granite peaks and Oregon's arid grasslands. The Clearwater River runs alongside US-12, offering pullouts for photography. The Dalles sits in the Columbia River Gorge National Scenic Area, with dramatic waterfalls like Multnomah Falls just east of the city.

• Natural landmarks: Lolo Pass Visitor Center, Lochsa River, Dworshak Dam, Columbia Gorge Discovery Center.
• UNESCO sites: None directly on route, but the nearby Nez Perce National Historical Park has UNESCO-associated sites.
• Local commerce: The Dalles has a historic downtown with small shops. In Missoula, check out the Saturday Farmers' Market.

The route has a few tricky sections: US-12 is narrow with sharp curves and occasional wildlife (deer, elk). I-84 east of The Dalles has strong crosswinds. For families, the journey is manageable with breaks every 2 hours. Pets are welcome at most rest stops and many national forest trails.

• Rest zones: Lolo Pass Rest Area (ID), Clearwater National Forest pullouts, Pendleton rest stop.
• Family stops: Silverwood Theme Park (north of Coeur d'Alene), Pendleton Round-Up grounds, The Dalles Aquatic Center.
• Pet-friendly: Most lodgings in Missoula and The Dalles accept pets; check brand websites.
• Safety: Carry chains in winter (Oct–Apr). Montana and Idaho require seat belts. Speed limits 65-80 mph.