History & Culture

History - Lewis and Clark

Lemhi Pass Tour

Lemhi Pass, in the Beaverhead Mountains of the Bitterroot Range and along the Continental Divide, is the site where, in 1805, the Lewis and Clark expedition first saw the headwaters of the Columbia River, which flow to the Pacific Ocean. It's here that the expedition crossed what was then the western boundary of the United States. Come take a tour...

Map of the route through the pass.
















Tour of Lemhi Pass

Interpretive Signs Along the Way

More Information about Lemhi Pass

Other Lewis and Clark Links

Lewis and Clark Interpretive Center

Lewis and Clark National Historic Trail

Curriculum guide on the Lewis and Clark Expedition

Discovering Lewis and Clark

Lewis and Clark Trail Heritage Foundation

Lewis and Clark - Re-Live the Corps of Discovery

PBS Online Lewis and Clark