Sun Valley to Lander Road Trip: Hidden Gems and Scenic Drives

This route follows US-20 east from Sun Valley to Idaho Falls, then US-26 southeast to Lander. The total distance is 280 miles, taking about 4.5 hours of pure driving time. A historical quirk: the Wyoming portion roughly traces the Oregon Trail, with ruts still visible near Guernsey.

The landscape shifts from the Sawtooth Mountains near Sun Valley to the Snake River Plain, then rises into the Wind River Range. Key natural attractions include Craters of the Moon National Monument (just north of US-20/26) and the Hoback Canyon.

• Craters of the Moon: A surreal lava field with hiking trails and caves. Drive from Sun Valley takes 1 hour.
• Hoback Canyon: Where US-26 follows the Snake River through towering cliffs. Watch for bald eagles and moose.
• Local commerce: Idaho Falls has a farmer's market (summer Saturdays). In Lander, visit the Fremont County Museum for Native American artifacts.

Driving from Sun Valley to Lander is straightforward but requires preparation. The route through eastern Idaho and western Wyoming is remote, with limited services.

• Fuel: Fill up in Sun Valley (premium gas available), then next reliable station in Idaho Falls (80 miles). After that, fill again in Afton, WY (50 miles east of Idaho Falls). Between Afton and Lander (140 miles), only one gas station in Farson.
• Road Conditions: US-20 is a well-maintained four-lane highway. US-26 narrows to two lanes with occasional mountain passes (e.g., Salt River Pass, elevation 7,600 ft).
• Recommended rest stops: Heise Bridge (hot springs), Alpine Junction (scenic overlook), and Farson Mercantile (historic general store).

This route is generally safe, but long stretches without cell service demand caution. Download offline maps and carry water.

• Family: Stop at Idaho Falls' Greenbelt Park (playground, river walks) or the Teton Science Schools' visitor center in Jackson (detour 1 hour).
• Pet-friendly: Lander's City Park has off-leash areas. Many motels in Idaho Falls accept pets.
• Fatigue management: Rest every 2 hours at scenic viewpoints like the Palisades Reservoir overlook.

Hidden off-route spots: Heise Hot Springs (5 miles south of Ririe) offers natural hot pools. For a unique cultural experience, visit the Wind River Indian Reservation (near Lander) for powwows and historic sites.