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Lakes / Oregon / Malheur County / Beulah Reservoir

Beulah Reservoir, Oregon

1,844 acres
Surface Area

Where It Sits, and How Deep It Goes

Locator - Oregon

PortlandBendBeulah ReservoirMalheur Co.

43.93 degrees N, 118.15 degrees W - Malheur 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 Beulah Reservoir Stacks Up

Lakes Nearby

LakeCountyDistanceSurface Area
Murphy ReservoirMalheur5.2 mi30 acres
Cottonwood ReservoirHarney7.2 mi79 acres
Stallard ReservoirHarney12 mi43 acres
Zotto ReservoirMalheur13 mi32 acres
Griffin Creek ReservoirHarney19 mi38 acres
North Beede ReservoirHarney20 mi73 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID145652951
CountyMalheur
Lake TypeLake
Coordinates43.9315, -118.1548

Questions About Beulah Reservoir

How Big Is Beulah Reservoir?

Beulah Reservoir covers 1,844 acres in Malheur County, Oregon.

What Is the Largest Lake in Malheur County?

Lake Owyhee is the largest lake in Malheur County, at 11,120 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 145652951). Verified October 30, 2026.