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Lakes / California / Modoc County / Whitehorse Flat Reservoir

Whitehorse Flat Reservoir, Modoc County, California

469 acres
Surface Area

Where It Sits, and How Deep It Goes

Locator - California

SacramentoLos AngelesWhitehorse Flat ReservoirModoc Co.

41.28 degrees N, 121.40 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 Whitehorse Flat Reservoir Stacks Up

Lakes Nearby

LakeCountyDistanceSurface Area
Whitehorse Flat ReservoirModoc1.8 mi1,465 acres
Mosquito LakeModoc3.4 mi108 acres
Barnum Flat ReservoirSiskiyou4.5 mi391 acres
Little Egg LakeModoc8.2 mi61 acres
Taylor ReservoirModoc11 mi68 acres
Horr PondShasta12 mi1,765 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID83408460
CountyModoc
Lake TypeLake
Coordinates41.2830, -121.4029

Questions About Whitehorse Flat Reservoir

How Big Is Whitehorse Flat Reservoir?

Whitehorse Flat Reservoir covers 469 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 83408460). Verified October 30, 2026.