LakeCount. Every Lake. Measured.

Lakes / Washington / Kachess Lake

Kachess Lake, Washington

4,388 acres
Surface Area
2,239 ft
Surface Elevation

Where It Sits, and How Deep It Goes

Locator - Washington

OlympiaSeattleKachess LakeKittitas Co.

47.32 degrees N, 121.23 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 Kachess Lake Stacks Up

Fish Species

Bull troutBurbotCutthroat troutKokaneePygmy WhitefishRainbow troutWestslope cutthroat trout

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

Facts and Figures

Waterbody ID149338109
CountyKittitas
Lake TypeLake
Coordinates47.3166, -121.2282

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 149338109). Verified October 30, 2026.