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Lakes / Wyoming / Johnson County / Lake McLain

Lake McLain, Wyoming

17 acres
Surface Area
50 ft
Max Depth
17 ft
Average Depth

Where It Sits, and How Deep It Goes

Locator - Wyoming

CheyenneJacksonLake McLainJohnson Co.

44.22 degrees N, 107.14 degrees W - Johnson 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.

Depth Profile - Lake McLain

0 ft - SurfaceAverage Depth - 17 ftMax Depth - 50 ftA Typical Shallow Lake - Under 20 ft Deep

Schematic cross-section drawn to one shared depth scale - not a survey or bathymetric map.

How Lake McLain Stacks Up

Fish Species

Yellowstone Cutthroat

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

Lakes Nearby

LakeCountyDistanceSurface Area
Maybelle LakeJohnson0.5 mi6 acres
East Tensleep LakeBig Horn1.3 mi56 acres
Chill LakesJohnson3.7 mi3 acres
Lost Twin LakesJohnson3.8 mi41 acres
Lame Deer LakeJohnson4.6 mi33.61 acres
Mirror LakeBig Horn4.6 mi18 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID70661770
CountyJohnson
Coordinates44.2212, -107.1411

Questions About Lake McLain

How Big Is Lake McLain?

Lake McLain covers 17 acres in Johnson County, Wyoming.

How Deep Is Lake McLain?

Lake McLain reaches 50 ft at its deepest. Its average depth is 17 ft.

What Fish Are in Lake McLain?

The WGFD lists Yellowstone Cutthroat for Lake McLain.

What Is the Largest Lake in Johnson County?

Lake De Smet is the largest lake in Johnson County, at 3,331.88 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 70661770). Verified October 30, 2026.