Old Agency Site

Historical marker location:

Fort Piegan, Montana

( Marker is on Badger Creek Road, 0.1 miles south of U.S. 89, on the left when traveling north.)

The Lewis and Clark Expedition passed through Montana in 1805-1806, on their journey to explore the western portion of the United States. They traveled up the Missouri River and crossed the Rocky Mountains, encountering many Native American tribes and documenting the flora and fauna of the region.