From the Plains to the Pacific

Between May 1804 and September 1806, 31 men, one woman, and a baby traveled from the plains of the Midwest to the shores of the Pacific Ocean. They called themselves the Corps of Discovery. In their search for a water route to the Pacific Ocean, they opened a window into the west for the young United States.

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Senior Skip Day Logo

Senior Skip Day

Join us for special programs, trip planning, coffee and get your lifetime Senior Pass.

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Every Kid in a Park Logo

4th Grade Pass

Learn how 4th graders get free access to Federal Lands and Waters during the 2015-2016 school year!

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A sacred salmon bake hosted by the Chinook Indian Nation

Trail News

The Trail Companion is our way of celebrating the great work of Trail partners and stewards. It also is a way for Trail staff to share resources.

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Portrait of William Clark by Charles Wilson Peale

Who Were They?

William Clark, Sacagawea, York, Thomas Jefferson - names forever linked by a journey to the Pacific Ocean. Who were the people behind these names?

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screen shot of interactive Trail Atlas

Interactive Trail Atlas

Personalize your exploration using this interactive tool. Zoom into your area of interest, choose from a variety of different map layers and more...

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Lewis and Clark staff with staff of Lewis and Clark Interpretive Center of Ilwaco, WA

Helping Partners

The Trail is committed to building true relations with all people, to learn from them, and to tell their stories with sensitivity and respect.

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A metal sentinel of a Mandan, Hidatsa, or Arikara Indian guiding visitors to the Earth Lodge Village of the Three Affiliated Tribes of New Town, North Dakota

Explore the Trail

The Trail winds over mountains, along rivers, through plains and high deserts, and extends to the wave-lapped Pacific coast. Experience the diversity.

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