Rattlesnake Cliffs, 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"Although he was scarcely half a mile below the Rattlesnake cliffs, he was obliged to make a circuit of two miles by water before he reached them."