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Lakes / Wyoming / Fremont County / Ray Reservoir

Ray Reservoir, Wyoming

465.05 acres
Surface Area

Where It Sits, and How Deep It Goes

Locator - Wyoming

CheyenneJacksonRay ReservoirFremont Co.

42.95 degrees N, 108.83 degrees W - Fremont County. State and county outlines drawn from Census boundary data; the lake marker is placed by its Wyoming Game and Fish Department coordinates, not by eye. Schematic - not a survey map.

How Ray Reservoir Stacks Up

Lakes Nearby

LakeCountyDistanceSurface Area
Alkali LakeFremont2.7 mi46.15 acres
Washakie ReservoirFremont9.4 mi325.06 acres
Pie LakeFremont13 mi28.87 acres
Shoe LakeFremont15 mi25.48 acres
Shoshone LakeFremont15 mi495.2 acres
Petes LakeFremont16 mi47.69 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID54746138
CountyFremont
Coordinates42.9542, -108.8294

Questions About Ray Reservoir

How Big Is Ray Reservoir?

Ray Reservoir covers 465.05 acres in Fremont County, Wyoming.

What Is the Largest Lake in Fremont County?

Boysen Reservoir is the largest lake in Fremont County, at 19,370.68 acres.

Deepest Natural Lakes in Wyoming

#LakeCountySurface AreaMax Depth
1Deep LakePark285 acres472 ft
2Lake RenoPark107 acres222 ft
3Snowdrift LakeTeton57 acres174 ft
4Crater LakeBig Horn39 acres166 ft
5Beauty LakePark94 acres165 ft

All 120 Wyoming lakes ranked by depth

Largest Lakes in Wyoming

#LakeCountySurface AreaMax Depth
1Yellowstone LakeTeton84,442 acres-
2Flaming Gorge ReservoirSweetwater38,888.36 acres440 ft
3Jackson LakeTeton26,853.22 acres-
4Pathfinder ReservoirCarbon22,000 acres192 ft
5Seminoe ReservoirCarbon20,000 acres200 ft

All 783 Wyoming lakes ranked by surface area

Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 54746138). Verified October 30, 2026.