Lake Sacajawea is a lake formed by the Ice Harbor Dam on the Snake River. It stretches from there upstream to the Lower Monumental Dam. It is named for Sacajawea, a Shoshone woman who accompanied Meriwether Lewis and William Clark during their exploration of the American West.

This article does not cite any sources. (December 2009)

Lake Sacajawea
Overview of the lake in 2017
Lake Sacajawea Show map of Washington (state) Lake Sacajawea Show map of the United States
Location	Franklin / Walla Walla counties, Washington, United States
Coordinates	46°14′58″N 118°52′47″W
Type	reservoir
Primary inflows	Snake River
Primary outflows	Snake River
Basin countries	United States

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[de] Lake Sacajawea (Stausee, Washington)