Sacajawea Historic Byway
Tales of the past surround you on every side as you drive the Sacajawea Historic Byway. Parallel to the Continental Divide, this byway makes its way through the Lemhi River Valley, summits the Lemhi Pass and then drops onto the Snake River Plain. Discover rich Native American history and learn more about Sacajawea’s story and her impact on the Corps of Discovery and Idaho.
Length
135 miles
218 km
Time
2 hours,
6 minutes
Region
Eastern & Central Idaho
When to Visit
Spring, Summer, Fall
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: The byway begins at the intersection of Interstate 15 and Idaho 33 at exit 143. Follow Idaho 33 for about 12 miles west to its junction with Idaho 28. Finally, take Idaho 28 northwest for 120 miles to Salmon.
Road Conditions: This byway consists of two-lane paved roads with areas for passing. Watch for icy conditions and snow drifts in winter.
Full Services in: Salmon
Partial Services in: Terreton, Mud Lake, Lone Pine, Lemhi and Tendoy
Full Services: When gas, food and lodging are available
Partial Services: When gas and a few other facilities are available
Nearby Adventures
Pull off the road for a deep breath in wide-open Idaho—explore Camas National Wildlife Refuge, drive into Mud Lake Wildlife Management Area or hike one of the many historic trails that wind through the Sacajawea Scenic Byway area.
Lewis and Clark Backcountry Byway
Lewis and Clark National Historic Trail – Idaho
Lemhi County Historical Museum
Charcoal Kilns Interpretive Site
Download Before You Hit the Road
Start planning your epic Idaho road trip with the help of these free travel publications.
Scenic Byways Brochure
State Highway Map
Travel Tips
Need some ideas for your next Idaho road trip? Check out these travel tips and start planning your adventure.