Ice Harbor Lock and Dam
Located at the upstream end of Lake Wallula, the dam is 2,822 feet long with an effective height of 100 feet. The dam is a concrete gravity type, with an earthfill embankment section at the north abutment. It includes a navigation lock with clear dimensions of 86 by 675 feet; and a ten-bay spillway that is 590 feet long, with ten 50-foot tainter gates.

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Photo by: U.S. Army Corps of Engineers |  VIRIN: 071019-A-CE999-002.JPG