Lewis and ClarkVersion en ligne Rivers and important places along Lewis and Clark's route west. par Steve Proctor 1 Pittsburgh 2 Ft. Clatsop 3 Ohio River 4 Missouri River 5 Ft. Mandan 6 Place of encounter with the Teton Sioux 7 Great Falls of the Missouri River 8 St. Louis - Camp Wood 9 Nez Perce Villages 10 Columbia River