The Rock Fort Campsite is a natural fortification on the south shore of the Columbia River in The Dalles, Oregon, United States. The Lewis and Clark Expedition camped at this defensible spot for three nights in late October 1805, just after it passed Celilo Falls on its descent to the Pacific Ocean, and again for one night on their return journey. It was here that the expedition first made significant contact and commerce with the Chinookan-speaking peoples of the lower Columbia.
See also 
- ^ a b c Oregon Parks and Recreation Department (June 6, 2011), Oregon National Register List, retrieved February 27, 2012
- ^ a b Seufert, Gladys; Potter, Elisabeth Walton; Chuinard, E.G. (October 1979), National Register of Historic Places Inventory–Nomination Form: Rock Fort Campsite (PDF)
- ^ Ambrose, Stephen E. (1996), Undaunted Courage: Meriwether Lewis, Thomas Jefferson, and the Opening of the American West, New York: Simon & Schuster, pp. 305–307, ISBN 978-0-684-82697-4
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