Lakes / Wisconsin / Lake Butte des Morts

Lake Butte des Morts, Wisconsin

8,581 acres

Surface Area

9 ft

Max Depth

746 ft

Surface Elevation

Where It Sits, and How Deep It Goes

Locator - Wisconsin

44.07 degrees N, 88.64 degrees W - Winnebago County. State and county outlines drawn from Census boundary data; the lake marker is placed by its DNR coordinates, not by eye. Schematic - not a survey map.

Depth Profile - Lake Butte des Morts

Schematic cross-section drawn to one shared depth scale - not a survey or bathymetric map. The benchmark is the state itself: Wisconsin Lakes defines a shallow lake as under 20 ft at its deepest, with an average depth under 10 ft.

How Lake Butte des Morts Stacks Up

Ranks #7 for surface area among the Wisconsin lakes counted so far - 8,581 acres.
A shallow lake - typical of most Wisconsin lakes, which run under 20 ft at their deepest.
About 79 miles from Madison, as the crow flies.
8 fish species on the DNR list for this lake.

Fish Species

MuskyPanfishLargemouth BassSmallmouth BassNorthern PikeWalleyeSturgeonCatfish

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

Facts and Figures

Waterbody ID (WBIC)139900

CountyWinnebago

Lake TypeDrainage

Coordinates44.0702, -88.6387

Deepest Natural Lakes in Wisconsin

#	Lake	County	Surface Area	Max Depth
1	Green Lake	Green Lake	7,920 acres	236 ft
2	Geneva Lake	Walworth	5,401 acres	135 ft
3	Elkhart Lake	Sheboygan	292 acres	119 ft
4	Trout Lake	Vilas	3,864 acres	117 ft
5	Little Trout Lake	Vilas	1,007 acres	98 ft

Largest Lakes in Wisconsin

#	Lake	County	Surface Area	Max Depth
1	Lake Winnebago	Winnebago, Fond du Lac, Calumet	131,939 acres	21 ft
2	Lake Pepin	Pierce, Buffalo, Pepin	24,550 acres	60 ft
3	Petenwell Lake	Adams, Wood, Juneau	23,173 acres	44 ft
4	Chippewa Flowage	Sawyer	15,300 acres	92 ft
5	Lake Poygan	Winnebago, Waushara	14,024 acres	11 ft

Sources: Wisconsin DNR lake data (WBIC 139900); USGS; Wisconsin Lakes (shallow-lake benchmark). Verified October 28, 2026.