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Lakes / Wyoming / Big Horn County / Mirror Lake

Mirror Lake, Big Horn County, Wyoming

18 acres
Surface Area
50 ft
Max Depth
7 ft
Average Depth

Where It Sits, and How Deep It Goes

Locator - Wyoming

CheyenneJacksonMirror LakeBig Horn Co.

44.28 degrees N, 107.17 degrees W - Big Horn 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 - Mirror Lake

0 ft - SurfaceAverage Depth - 7 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 Mirror Lake Stacks Up

Fish Species

Brook TroutLake Trout

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

Lakes Nearby

LakeCountyDistanceSurface Area
Lost Twin LakesJohnson1.9 mi41 acres
West Tensleep LakeBig Horn2.6 mi60 acres
Lake HelenBig Horn3.6 mi53 acres
Gunboat LakeBig Horn3.8 mi21 acres
Chill LakesJohnson3.8 mi3 acres
Upper Frozen LakeJohnson3.9 mi28.66 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID70655382
CountyBig Horn
Coordinates44.2842, -107.1728

Questions About Mirror Lake

How Big Is Mirror Lake?

Mirror Lake covers 18 acres in Big Horn County, Wyoming.

How Deep Is Mirror Lake?

Mirror Lake reaches 50 ft at its deepest. Its average depth is 7 ft.

What Fish Are in Mirror Lake?

The WGFD lists Brook Trout and Lake Trout for Mirror Lake.

What Is the Largest Lake in Big Horn County?

Bighorn Lake is the largest lake in Big Horn County, at 12,422.53 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 70655382). Verified October 30, 2026.