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Lakes / Washington / Lake Lillian

Lake Lillian, Washington

15 acres
Surface Area
4,817 ft
Surface Elevation

Where It Sits, and How Deep It Goes

Locator - Washington

OlympiaSeattleLake LillianKittitas Co.

47.40 degrees N, 121.34 degrees W - Kittitas 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.

How Lake Lillian Stacks Up

Fish Species

Rainbow trout

Species recorded for this lake. Presence only - no abundance ratings.

Facts and Figures

Waterbody ID149338039
CountyKittitas
Lake TypeLake
Coordinates47.4007, -121.3401

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: Washington DFW; USGS NHD via WA Dept of Ecology lake data (ID 149338039). Verified October 30, 2026.