Library of Congress
The members of the Corps of Discovery traveled over 3700 miles between May of 1804 and September of 1806. Their journey followed the courses of the Missouri and Columbia rivers. They crossed the Rocky and Bitteroot Mountains. They saw the Pacific Ocean. Although the lands they traveled were largely unknown to Euro-Americans, many American Indian tribes had called these places home for centuries.
Personalize your trail exploration by discovering exciting trail themes with this interactive map. Travel to Lewis and Clark campsites, learn about the historic river, and dynamically display different map backgrounds of your choice. Users can:
Did You Know?
The Corps of Discovery didn’t discover anything. Everything the Corps reported on- plants, animals, landforms - had been known to and used by American Indian tribes for generations. The Corps were, however, the first to record these items for science.