Operating Hours & Seasons
The Lewis and Clark National Historic Trail extends over 3,700 miles and through 11 states, from Illinois to the Pacific Coast. Operating hours and seasons vary from site to site. Some sites along the Trail may require advance reservations.
For more information on operating hours and seasons, please contact the sites you plan to visit. Click on the state names below for more information on Trail sites in those states. Information about sites along the Trail is also available at Trail headquarters in Omaha, Nebraska.
Visitor Center at Trail Headquarters For general trail information and trip planning, visit or contact the National Park Service Lewis and Clark National Trail Headquarters in Omaha, Nebraska. Visitor center, exhibits, and bookstore are located at Trail headquarters.
Please Note: Lewis and Clark National Historic Trail Headquarters located at 601 Riverfront Drive in Omaha, NE, will be closed on Thanksgiving, Christmas and New Year's Day each year.
Did You Know?
Two hundred years after the Lewis and Clark Expedition, the only physical evidence of the journey is found near Billings, MT. In July 1805, William Clark carved his name into the soft rock of what he called Pompeys Tower. This site is now preserved at Pompeys Pillar National Monument.