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Lakes / Oregon / Malheur County / Shumway Reservoir

Shumway Reservoir, Oregon

29 acres
Surface Area

Where It Sits, and How Deep It Goes

Locator - Oregon

PortlandBendShumway ReservoirMalheur Co.

43.56 degrees N, 117.95 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 Shumway Reservoir Stacks Up

Lakes Nearby

LakeCountyDistanceSurface Area
Easterday ReservoirMalheur3.1 mi385 acres
Walls ReservoirMalheur7.2 mi45 acres
Chapman ReservoirMalheur7.5 mi41 acres
Butte ReservoirMalheur14 mi145 acres
Warm Springs ReservoirHarney15 mi4,139 acres
Crowley ReservoirMalheur17 mi49 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID145653384
CountyMalheur
Lake TypeLake
Coordinates43.5557, -117.9489

Questions About Shumway Reservoir

How Big Is Shumway Reservoir?

Shumway Reservoir covers 29 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 145653384). Verified October 30, 2026.