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Lakes / California / Modoc County / Deadhorse Flat Reservoir

Deadhorse Flat Reservoir, California

426 acres
Surface Area

Where It Sits, and How Deep It Goes

Locator - California

SacramentoLos AngelesDeadhorse Flat ReservoirModoc Co.

41.68 degrees N, 120.95 degrees W - Modoc 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 Deadhorse Flat Reservoir Stacks Up

Lakes Nearby

LakeCountyDistanceSurface Area
Surveyors Valley ReservoirModoc1.9 mi529 acres
Reservoir MModoc4.1 mi287 acres
Reservoir NModoc4.8 mi264 acres
Boles MeadowModoc4.9 mi2,248 acres
Reservoir GModoc7.3 mi155 acres
Stovepipe Flat TankModoc7.6 mi62 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID84072119
CountyModoc
Lake TypeLake
Coordinates41.6807, -120.9465

Questions About Deadhorse Flat Reservoir

How Big Is Deadhorse Flat Reservoir?

Deadhorse Flat Reservoir covers 426 acres in Modoc County, California.

What Is the Largest Lake in Modoc County?

Goose Lake is the largest lake in Modoc County, at 93,048 acres.

Largest Lakes in California

#LakeCountySurface AreaMax Depth
1Salton SeaImperial233,096 acres-
2Lake TahoePlacer122,975 acres-
3Goose LakeModoc93,048 acres-
4Honey LakeLassen59,917 acres-
5Mono LakeMono45,124 acres-

All 1,147 California 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 84072119). Verified October 30, 2026.