Lewis and Clark Trail Highway
Lewis and Clark Trail Highway is a State Scenic Byway in Washington. Within Washington it covers roughly 590 miles. The map below shows its route. Use “Plan a drive” to open it in the Road Sorties route planner — already routing along Lewis and Clark Trail Highway with scenic roads turned on, ready to add your own stops.
Plan a drive on Lewis and Clark Trail Highway →
What is a State Scenic Byway?
State Scenic Byways are roads a state has formally recognized for their scenic, natural, historic or cultural value — each state's own curated collection of drives worth taking slowly.