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Lakes / Wyoming / Big Horn County / Lake Helen

Lake Helen, Wyoming

53 acres
Surface Area
66 ft
Max Depth
16 ft
Average Depth

Where It Sits, and How Deep It Goes

Locator - Wyoming

CheyenneJacksonLake HelenBig Horn Co.

44.32 degrees N, 107.22 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 - Lake Helen

0 ft - SurfaceAverage Depth - 16 ftMax Depth - 66 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 Helen Stacks Up

Fish Species

Brook TroutLake Trout

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

Lakes Nearby

LakeCountyDistanceSurface Area
Lake MarionBig Horn0.7 mi13 acres
Mistymoon LakeBig Horn1.4 mi40 acres
Fortress LakesBig Horn1.6 mi10 acres
Gunboat LakeBig Horn1.6 mi21 acres
Florence LakeBig Horn2.5 mi8 acres
Lake SolitudeBig Horn2.8 mi98 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID70655180
CountyBig Horn
Coordinates44.3234, -107.2198

Questions About Lake Helen

How Big Is Lake Helen?

Lake Helen covers 53 acres in Big Horn County, Wyoming.

How Deep Is Lake Helen?

Lake Helen reaches 66 ft at its deepest. Its average depth is 16 ft.

What Fish Are in Lake Helen?

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

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 70655180). Verified October 30, 2026.