Peaks to Craters Scenic Byway

This extraordinary byway is said to be the most diverse stretch of road in Idaho—boasting everything from sky-piercing peaks to captivating craters. Explore a vast ocean of lava flows at Craters of the Moon National Monument & Preserve, visit Mount Borah, Idaho’s tallest peak, or explore the first city lit by atomic energy in Arco.


143 miles
229 km

Time Icon


2 hours,
27 minutes


Central Idaho

When to Visit


31 Byways. 31 Ways to Be Inspired.

A variety of scenic, natural, historic, recreational, archeological and cultural experiences can be found on Idaho’s 31 scenic byways. View the video to get a taste of the adventures that await you, and start planning your next road trip.

Road Trip Tips

Turn-by-Turn Directions: Junction of Idaho 75 and U.S. 20 to Carey. U.S. 93 to Arco, continuing on U.S. 93 to junction of U.S. 93 and Idaho 75.

Full services in: Carey, Arco, Mackay and Challis

Full services: When gas, food and lodging are available

Download Before You Hit the Road

Start planning your epic Idaho road trip with the help of these free travel publications.

Idaho Roadsider

State Highway Map

Travel Tips

Need some ideas for your next Idaho road trip? Check out these travel tips and start planning your adventure.

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