Lake Wallula

Lake Wallula is a reservoir on the Columbia River in the United States, between the U.S. states of Washington and Oregon. It was created in 1954 with the construction of McNary Dam. It reaches from McNary Dam near the city of Umatilla, Oregon, to the Tri-Cities of Washington.

Lake Wallula
Lake Wallula Show map of Oregon Lake Wallula Show map of Washington (state) Lake Wallula Show map of the United States
Location	Washington / Oregon, United States
Coordinates	45°56′11″N 119°17′52″W
Type	reservoir
Primary inflows	Columbia River Snake River Yakima River Walla Walla River
Primary outflows	Columbia River
Basin countries	United States
Surface elevation	340 ft (100 m)