<P> The Lewis and Clark National Historic Trail is a route across the United States commemorating the Lewis and Clark Expedition of 1804 to 1806 . It is part of the National Trails System of the United States . It extends for some 3,700 miles ( 6,000 km ) from Wood River , Illinois , to the mouth of the Columbia River in Oregon . </P>
<P> The Lewis and Clark National Historic Trail is a route across the United States commemorating the Lewis and Clark Expedition of 1804 to 1806 . It is part of the National Trails System of the United States . It extends for some 3,700 miles ( 6,000 km ) from Wood River , Illinois , to the mouth of the Columbia River in Oregon . </P>
where does the lewis and clark trail end
where does the lewis and clark trail end
the mouth of the Columbia River in Oregon
the mouth of the Columbia River in Oregon