The Lewis and Clark National Historic Trail extends over 3,700 miles, passes through 11 states, and includes more than 100 sites from Illinois to the Pacific Coast. For directions to specific sites or locations along the Trail please contact the site you plan to visit or Trail headquarters in Omaha, Nebraska. Click on the state names below for more information on Trail sites in those states.
Visitor Center at Trail Headquarters
Did You Know?
Seaman, Lewis’s Newfoundland dog, joined the Expedition in Philadelphia when Lewis purchased him for $20. On the journey, Seaman served the Corps as hunter, sentry, and companion. Upon reaching the Pacific, Seaman became the first dog to travel the breadth of the North American continent.