Cody, WY to Baker City, OR: Epic Road Trip Guide

US-20 and US-26 meander through the heart of the Columbia River Basalt Group, one of the largest flood basalt provinces on Earth. These volcanic flows, erupted 16-6 million years ago, created the step-like topography you'll traverse between Cody, WY and Baker City, OR.

The route covers approximately 550 miles (885 km) and takes around 9-10 hours of driving time without stops. This journey from the Bighorn Basin to the Powder River Valley and across the Blue Mountains offers a masterclass in volcanic geology and high desert ecology.

The ride from Cody, WY to Baker City, OR takes between 9 to 10 hours of pure driving, but most travelers stretch it over two days. Key fuel stops include Greybull, Worland, Ten Sleep, Buffalo, Kaycee, Midwest, Casper, Shoshoni, Riverton, Lander, Farson, Kemmerer, Montpelier, Soda Springs, Pocatello, Burley, Twin Falls, Glenns Ferry, Mountain Home, Boise, Ontario, and Baker City.

Gas stations are sparse in stretches like US-20 between Shoshoni and Farson (about 120 miles). Plan to fill up in Riverton or Lander before heading west. Cell service is intermittent; download offline maps for segments like the Wind River Canyon (WY-20) and the Blue Mountains (OR-86).

Road and Weather Conditions

• Road Quality: Mostly paved two-lane highways with good condition. Some sections east of Casper have chip seal. West of Boise, I-84 is well-maintained.
• Winter Travel: Snow possible from October to April. Carry chains. Check WYDOT and ODOT conditions.
• Summer Heat: Temperatures exceed 90°F (32°C) in Idaho's Snake River Plain. Carry extra water.

For insights on how to find the best stops and hidden gems between cities, read how to find the best stops and hidden gems between cities.

The route crosses two major geologic provinces: the Bighorn Basin and the Snake River Plain. In Ten Sleep Canyon (WY-16), towering limestone cliffs rise 1,000 feet above the river. The rock layers here contain fossils from the Paleozoic era, making it a popular spot for paleontologists.

West of Farson, the landscape opens into the Great Divide Basin, an endorheic basin with no outlet to the sea. This area is also part of the Oregon Trail corridor, where ruts from wagon trains are still visible near Guernsey (detour off I-25).

The Blue Mountains of Oregon, crossed on OR-86 near Baker City, are a forested island of ponderosa pine and larch. This section offers dramatic views of the Eagle Cap Wilderness, part of the Wallowa-Whitman National Forest.

• Natural Attractions: Wind River Canyon (scenic drive with pullouts), Sinks Canyon State Park (near Lander), Fossil Butte National Monument (near Kemmerer), Shoshone Falls (Twin Falls, ID), Hells Canyon Scenic Byway (detour from Baker City).
• Local Commerce: Buy wild game jerky in Lander, artisan cheese in Twin Falls, and huckleberry products in Baker City. Farmers' markets thrive in summer months.

UNESCO World Heritage Sites

No UNESCO sites lie directly on the route, but a slight detour (50 miles) from Lander can reach the Fossil Butte National Monument, part of the UNESCO World Heritage Site "Fossil Lakes of the Western United States." The monument preserves Eocene fish and plant fossils.

Infrastructure Safety: Highways are well-maintained but often two-lane with speed limits of 65-70 mph. Watch for livestock and wildlife, especially at dawn and dusk. Emergency services exist in towns, but response times may exceed 30 minutes in rural areas.

Family and Child Suitability: Yes, with proper planning. The route offers plenty of rest stops with restrooms and picnic tables. Kids enjoy the fossil exhibits at Fossil Butte and the miniature train at Soda Springs.

• Rest Zones: Rest areas at Ten Sleep, Buffalo, Casper, Shoshoni (no services), Farson, Kemmerer, Montpelier, Burley, Twin Falls, and Boise. Overnight camping available at state parks.
• Pet-Friendly Framework: Most motels and rest stops allow pets. Keep water and shade accessible. Avoid leaving pets in hot cars in summer.
• Hidden Off-Route Spots: Visit the ghost town of Kirwin (near Meeteetse, WY) for abandoned cabins. The Lander Cutoff of the Oregon Trail offers unmarked wagon ruts.

Fatigue Management: Drive no more than 4-5 hours per day. Alternate drivers if possible. Stretch at each fuel stop. Caffeine is available at convenience stores.

Culinary Infrastructure: Options range from fast food to local diners. Try the bison burger at the Cowfish in Lander, the fry bread at the Wind River Casino, and the Basque cuisine at the Orchard House in Baker City.