Lewis & Clark National Historic Trail – Idaho

NATIONAL HISTORIC TRAIL

Lewis & Clark

Sixteen States: IA,ID,IL,IN,KS,KY,MO,MT,NE,ND,OH,OR,PA,SD,WA,WV

The Lewis and Clark National Historic Trail is approximately 4,900 miles long, extending from Pittsburgh, Pennsylvania, to the mouth of the Columbia River, near present day Astoria, Oregon. It follows the historic outbound and inbound routes of the Lewis and Clark Expedition as well as the preparatory section from Pittsburgh, Pennsylvania to Wood River, Illinois.