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 Lewis and Clark Expedition was to record "the names of the nations & their numbers.” Interactions with American Indians were, however, more than a record of names and numbers. They were matters of survival and success. Trade with tribes and the information they provided sustained the Expedition.