Butte to Moscow Road Trip: Ultimate Guide

Start in Butte, Montana, at the intersection of I-15 and I-90, where the Berkeley Pit—a mile-wide former copper mine—tints the landscape with vivid turquoise water. This 3.5-hour, 220-mile journey along I-90 West and US-95 North ends in Moscow, Idaho, home to the University of Idaho's arboretum. The route crosses the Bitterroot Range via Lookout Pass, cresting at 4,700 feet.

For tips on discovering unexpected attractions along any route, see how to find the best stops and hidden gems between cities.

Road quality is excellent; I-90 is well-maintained, but winter requires traction tires. Rest areas every 40 miles: rest area near St. Regis has picnic tables. Family-friendly: The Historic Dewey Mine in Butte offers tours; Silverwood Theme Park near Coeur d'Alene is a hit for kids.

• Pet-friendly: Leashed pets welcome at most rest areas and many cafes with outdoor seating.
• Fatigue management: Stop for coffee at The Break Espresso in Missoula (drive-thru).
• Hidden off-route: The ghost town of Garnet, MT, 20 miles east of Missoula.

The entire route is paved interstate and major highway. I-90 from Butte to Coeur d'Alene, then US-95 north to Moscow. Cell coverage is reliable except in the St. Regis area. Gas stations are plentiful every 30 miles; fill up in Butte and Missoula to avoid premium prices in smaller towns.

• Distance: 220 miles
• Drive time: 3.5 hours without stops
• Fuel cost estimate: $25-$35 (gasoline at $3.50/gal, 25 mpg)

Best stops Butte, MT to Moscow, ID include Missoula for lunch and Coeur d'Alene for a scenic walk. Is it worth driving Butte, MT to Moscow, ID? Yes, for the mountain vistas and small-town charm.

West of Butte, the landscape opens into the Deer Lodge Valley, flanked by the Pintler Mountains. Near Drummond, I-90 follows the Clark Fork River through canyons. At Lookout Pass (elevation 4,700 ft), the forest changes from lodgepole pine to western red cedar. Descending into Idaho, Coeur d'Alene Lake offers turquoise waters.

• UNESCO World Heritage Sites: None directly, but nearby Glacier National Park is a UNESCO Biosphere Reserve.
• Local commerce: Butte's historic copper mining district, Missoula's farmer's market (Saturdays), and Moscow's co-op grocery.
• Cuisine: Pasties in Butte, huckleberry treats in Missoula, and Idaho finger steaks in Coeur d'Alene.