LakeCount. Every Lake. Measured.

Lakes / Washington / Black Lake

Black Lake, Okanogan County, Washington

58 acres
Surface Area
3,992 ft
Surface Elevation

Where It Sits, and How Deep It Goes

Locator - Washington

OlympiaSeattleBlack LakeOkanogan Co.

48.83 degrees N, 120.21 degrees W - Okanogan County. State and county outlines drawn from Census boundary data; the lake marker is placed by its Washington DFW coordinates, not by eye. Schematic - not a survey map.

Facts and Figures

Waterbody ID144385812
CountyOkanogan
Lake TypeLake
Coordinates48.8290, -120.2080

Largest Lakes in Washington

#LakeCountySurface AreaMax Depth
1Franklin D Roosevelt LakeFerry71,323 acres-
2Lake UmatillaKlickitat50,042 acres-
3Lake ChelanChelan32,677 acresAbout 1,500 ft
4Banks LakeGrant26,879 acres-
5Lake WallulaBenton26,343 acres-
Sources: USGS NHD via WA Dept of Ecology lake data (ID 144385812). Verified October 30, 2026.