Stanley ID to Pinedale WY Road Trip Guide

Stanley, Idaho, sits at 6,260 feet, a Sawtooth Mountains gateway on the Salmon River. Pinedale, Wyoming, lies 270 miles southeast, the last town before the Wind River Range. Between them: a journey through the Yellowstone ecoregion, passing Craters of the Moon National Monument, a UNESCO World Heritage Site. The route weaves through sagebrush deserts, lava fields, and high mountain passes, offering a cross-section of the Intermountain West's dramatic geology.

Is it worth driving Stanley, ID to Pinedale, WY? Absolutely—the landscapes are diverse and lightly trafficked. Craters of the Moon is a surreal volcanic landscape with cinder cones and lava tubes; visitor fee $20 per vehicle. Further east, the Wind River Range offers peaks over 13,000 feet, visible from Pinedale. Local commerce centers around tourism: Stanley's rustic lodges, Idaho Falls' national chains, and Pinedale's cowboy culture with rodeos in summer.

For a deeper approach to spotting attractions, see how to find the best stops and hidden gems between cities.

This route is safe for families and pets. Wildlife, especially deer and elk, are common at dawn and dusk—use high beams when possible. Pet-friendly stops include Craters of the Moon (leashed pets on paved trails) and many picnic areas. Kids will enjoy the lava tube caves (bring flashlights) and the Idaho Falls River Walk. Fatigue management: plan rest breaks every two hours; notable rest areas at Arco and Alpine.

Road quality varies—new pavement on ID-75, patched sections on US-20. Winter tires are essential if snow is possible. Local diners along the way: Pickle's Place in Arco, a classic small-town cafe. Hidden off-route spots: the Big Springs loop near Ashton (famous for turquoise water) or the Green River Lakes trailhead near Cora, WY.

How long to drive Stanley, ID to Pinedale, WY: roughly 5 hours (330 miles) without stops. The primary route is ID-75 south to US-20 east, then US-26/89 through Alpine Junction, and US-191 north to Pinedale. Roads are well-maintained, mostly two-lane highways with occasional passing lanes. Winter conditions can be severe; check forecasts for passes like Teton Pass (8,431 ft) if using that alternative. Fuel stops are sparse east of Arco; plan to fill up in Stanley or Arco.

• US-20 east of Arco crosses the lava fields of Craters of the Moon; no services for 40 miles.
• Idaho Falls (elevation 4,700 ft) is the largest city along the route, with full services.
• US-89/26 follows the Snake River and then the Greys River; scenery changes from desert to forest.
• Alpine, WY, marks the transition to the Wyoming Range; last gas before Pinedale.