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Lakes / South Dakota / Hyde County / Thomas Lake

Thomas Lake, South Dakota

157.46 acres
Surface Area

Where It Sits, and How Deep It Goes

Locator - South Dakota

Sioux FallsPierreThomas LakeHyde Co.

44.82 degrees N, 99.53 degrees W - Hyde 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 Thomas Lake Stacks Up

Lakes Nearby

LakeCountyDistanceSurface Area
Rice LakeHyde3.2 mi202.77 acres
Spring LakeHyde4.0 mi248.66 acres
Baloun LakeHyde6.8 mi98.6 acres
Rezac LakeHyde8.3 mi180.63 acres
Stone LakeSully12 mi1,023.51 acres
Mitchell LakeHyde12 mi551.54 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID144111475
CountyHyde
Coordinates44.8209, -99.5262

Questions About Thomas Lake

How Big Is Thomas Lake?

Thomas Lake covers 157.46 acres in Hyde County, South Dakota.

What Is the Largest Lake in Hyde County?

Mitchell Lake is the largest lake in Hyde County, at 551.54 acres.

Largest Lakes in South Dakota

#LakeCountySurface AreaMax Depth
1Lake OaheDewey309,912.57 acres-
2Lake Francis CaseCharles Mix82,166.92 acres-
3Lake SharpeHughes58,419.67 acres-
4Lewis and Clark LakeBon Homme25,141.99 acres-
5Lake ThompsonKingsbury13,887.93 acres-

All 533 South Dakota lakes ranked by surface area

Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 144111475). Verified October 30, 2026.