Timm or Falls Mountain, Columbia River, United States (Google Maps ⧉, OpenStreetMap ⧉)
Referenced In
History of the Expedition Under the Command of Captains Lewis and Clark: To the Sources of the Missouri, Thence Across the Rocky Mountains and Down the River Columbia to the Pacific Ocean
by Meriwether Lewis, William Clark"From the last rapids we also observed the conical mountain towards the southwest, which the Indians say is not far to the left of the great falls. From its vicinity to that place we called it the Timm or Falls mountain."