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Lakes / Wyoming / Park County / Three Falls Reservoir

Three Falls Reservoir, Wyoming

10 acres
Surface Area

Where It Sits, and How Deep It Goes

Locator - Wyoming

CheyenneJacksonThree Falls ReservoirPark Co.

44.78 degrees N, 109.03 degrees W - Park 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 Three Falls Reservoir Stacks Up

Fish Species

Yellowstone Cutthroat

Species recorded for this lake. Presence only - no abundance ratings.

Lakes Nearby

LakeCountyDistanceSurface Area
Ralston ReservoirPark8.1 mi129 acres
Luce ReservoirPark11 mi35 acres
Hogan ReservoirPark11 mi35 acres
Newton LakesPark16 mi51 acres
Beck LakePark18 mi108 acres
Markham ReservoirPark18 mi14 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID56764715
CountyPark
Coordinates44.7752, -109.0333

Questions About Three Falls Reservoir

How Big Is Three Falls Reservoir?

Three Falls Reservoir covers 10 acres in Park County, Wyoming.

What Fish Are in Three Falls Reservoir?

The WGFD lists Yellowstone Cutthroat for Three Falls Reservoir.

What Is the Largest Lake in Park County?

Buffalo Bill Reservoir is the largest lake in Park County, at 6,691 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: Wyoming Game & Fish lake data (ID 56764715). Verified October 30, 2026.