Wanapum: Columbia River, WA
Wanapum Dam is located on the Columbia River, six miles downstream of Vantage, 18 miles upstream of Priest Rapids Dam and 415 miles above the mouth of the river.
Washington
The Dalles: Columbia River, OR/WA
The Dalles Lock and Dam is 192 miles upriver from the mouth of the Columbia River and two miles east of the city of The Dalles, Ore. The project consists of a navigation lock, spillway, powerhouse and fish passage facilities.