The Lewis and Clark National Historic Trail extends over 4,900 miles and through 16 states, from Pennsylvania to the Pacific Coast. Operating hours and seasons vary from site to site. Visit our State by State Guide or Maps Page.
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.
Please Note: Lewis and Clark National Historic Trail Headquarters visitor center is located inside the Interior Regions 3, 4, 5 building at 601 Riverfront Drive in Omaha, NE. The visitor center will be closed on Thanksgiving, Christmas and New Year's Day each year. Please call (402) 661-1804 for questions.
The visitor center is open Monday-Friday, 8:30-4:30. The visitor center will be closed on Mondays, December 26 and January 2 in observation of the Christmas and New Year's Day holidays.
Last updated: December 8, 2022