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?
Twenty years before the Lewis and Clark Expedition, Thomas Jefferson hoped to mount the “Clark Expedition.” In 1783, Jefferson asked William Clark’s brother and Revolutionary War hero, George Rogers Clark, to lead a cross country expedition to explore the west. Clark declined the offer.