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Lakes / Oregon / Grant County / Buffalo Lake

Buffalo Lake, Oregon

43 acres
Surface Area

Where It Sits, and How Deep It Goes

Locator - Oregon

PortlandBendBuffalo LakeGrant Co.

43.98 degrees N, 118.96 degrees W - Grant 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 Buffalo Lake Stacks Up

Lakes Nearby

LakeCountyDistanceSurface Area
Pronghorn ReservoirGrant4.9 mi70 acres
Duck Creek ReservoirHarney15 mi38 acres
Yellowjacket LakeHarney17 mi33 acres
Miller ReservoirHarney19 mi28 acres
Sproul ReservoirGrant20 mi35 acres
Canyon Meadows LakeGrant20 mi32 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID148033036
CountyGrant
Lake TypeLake
Coordinates43.9765, -118.9612

Questions About Buffalo Lake

How Big Is Buffalo Lake?

Buffalo Lake covers 43 acres in Grant County, Oregon.

What Is the Largest Lake in Grant County?

Olive Lake is the largest lake in Grant County, at 149 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 148033036). Verified October 30, 2026.