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Lakes / Oregon / Klamath County / Grass Lake

Grass Lake, Oregon

25 acres
Surface Area

Where It Sits, and How Deep It Goes

Locator - Oregon

PortlandBendGrass LakeKlamath Co.

42.66 degrees N, 122.22 degrees W - Klamath County. State and county outlines drawn from Census boundary data; the lake marker is placed by its USGS National Hydrography Dataset coordinates, not by eye. Schematic - not a survey map.

How Grass Lake Stacks Up

Lakes Nearby

LakeCountyDistanceSurface Area
Middle LakeKlamath0.4 mi29 acres
Red LakeKlamath8.7 mi29 acres
Island LakeKlamath9.9 mi45 acres
Medco PondJackson11 mi44 acres
Medco PondJackson11 mi25 acres
Long LakeKlamath12 mi38 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID142732224
CountyKlamath
Lake TypeLake
Coordinates42.6620, -122.2164

Questions About Grass Lake

How Big Is Grass Lake?

Grass Lake covers 25 acres in Klamath County, Oregon.

What Is the Largest Lake in Klamath County?

Upper Klamath Lake is the largest lake in Klamath County, at 62,095 acres.

Largest Lakes in Oregon

#LakeCountySurface AreaMax Depth
1Upper Klamath LakeKlamath62,095 acres-
2Lake UmatillaMorrow50,042 acres-
3Lake AbertLake37,137 acres-
4Summer LakeLake31,602 acres-
5Harney LakeHarney31,290 acres-

All 642 Oregon lakes ranked by surface area

Sources: USGS NHD (The National Map NHD MapServer layer 12) named waterbodies FTYPE 390/436; counties via Census point-in-polygon lake data (ID 142732224). Verified October 30, 2026.