Lewis & Clark Trail
The Lewis and Clark Trail follows a path shaped by rivers, plains, and mountain passes, tracing one of the most significant journeys in American history. Today, the route can still be experienced through landscapes and sites that reflect the expedition’s movement west—offering a way to explore both the geography and the history of the journey.
FEATURE STORY
THE CORPS OF DISCOVERY: A JOURNEY THAT DEFINED A NATION
A reflective look at the history, courage, and enduring legacy of America’s most extraordinary expedition.
Explore The Trail
Follow the Corps of Discovery from the Missouri River to the Pacific —
state by state, site by site.
The Lewis and Clark National Historic Trail stretches 4,900 miles across 10 states, from Camp Dubois in Illinois to Fort Clatsop on the Oregon coast. Every state along the route still holds the historic sites, landscapes, and stories from one of the most consequential journeys in American history.
Our trail guide covers the top historic sites for every state — the expedition dates, the key figures, and the places you can still visit today.
Want the full 10-state guide? Download it free.