Columbia River near The Dalles
The Dalles Dam on the Columbia River near the west end of the gorge. Dalles is French for slabs or flagstones. The dam's reservoir has inundated both the historic "Great Falls" and rapids of "Long and Short Narrows" encountered by the Lewis and Clark Expedition. The name dalles is a historic reference to the rocks exposed in the rapids at the Dalles in the Columbia River during low-water stages (Meinig, 1968; Moulton, 2005).
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Last modified: 1/5/2011