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Lakes / Oregon / Harney County / Miller Reservoir

Miller Reservoir, Oregon

28 acres
Surface Area

Where It Sits, and How Deep It Goes

Locator - Oregon

PortlandBendMiller ReservoirHarney Co.

43.85 degrees N, 118.63 degrees W - Harney 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 Miller Reservoir Stacks Up

Lakes Nearby

LakeCountyDistanceSurface Area
Griffin Creek ReservoirHarney5.5 mi38 acres
Duck Creek ReservoirHarney8.7 mi38 acres
North Beede ReservoirHarney10 mi73 acres
South Beede ReservoirHarney11 mi131 acres
Stallard ReservoirHarney13 mi43 acres
Corcoran ReservoirHarney13 mi47 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID145652912
CountyHarney
Lake TypeLake
Coordinates43.8467, -118.6335

Questions About Miller Reservoir

How Big Is Miller Reservoir?

Miller Reservoir covers 28 acres in Harney County, Oregon.

What Is the Largest Lake in Harney County?

Harney Lake is the largest lake in Harney County, at 31,290 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 145652912). Verified October 30, 2026.