Timm Mountain, Columbia River (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 this rock, the pinnacle of the round mountain covered with snow, which we had seen a short distance below the forks of the Columbia, and which we had called the Falls or Timm mountain, is south 43° west, and about thirty-seven miles distant."