Bryan, Lake, reservoir, on border bet. Whitman and Columbia cos., SE Wash., on Snake R., 40 mi/64 km NNE of Walla Walla; 28 mi/45 km long; elev. 640 ft/195 m; 46°35'N 118°01'W. Max. capacity 556,000 acre-ft. Formed by Little Goose Lock and Dam (98 ft/30 m high), built (1970) by the Army Corps of Engineers for power generation. Central Ferry State Park on N shore. Extends into Garfield co.
