LakeCount. Every Lake. Measured.

Lakes / Wyoming / Park County / Island Lake

Island Lake, Park County, Wyoming

149 acres
Surface Area
148 ft
Max Depth
42 ft
Average Depth

Where It Sits, and How Deep It Goes

Locator - Wyoming

CheyenneJacksonIsland LakePark Co.

44.95 degrees N, 109.54 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.

Depth Profile - Island Lake

0 ft - SurfaceAverage Depth - 42 ftMax Depth - 148 ftA Typical Shallow Lake - Under 20 ft Deep

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

How Island Lake Stacks Up

Fish Species

Brook TroutRainbow Trout

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

Lakes Nearby

LakeCountyDistanceSurface Area
Night LakePark0.7 mi61 acres
Little Bear LakePark1.0 mi41 acres
Snyder LakePark1.4 mi14 acres
Long LakePark1.8 mi70 acres
Meadow LakePark1.8 mi2 acres
Sheepherder LakePark1.9 mi40 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID56779607
CountyPark
Coordinates44.9482, -109.5412

Questions About Island Lake

How Big Is Island Lake?

Island Lake covers 149 acres in Park County, Wyoming.

How Deep Is Island Lake?

Island Lake reaches 148 ft at its deepest. Its average depth is 42 ft.

What Fish Are in Island Lake?

The WGFD lists Brook Trout and Rainbow Trout for Island Lake.

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 56779607). Verified October 30, 2026.