Lakes / Wisconsin / Lake Pepin

Lake Pepin, Wisconsin

24,550 acres

Surface Area

60 ft

Max Depth

671 ft

Surface Elevation

Where It Sits, and How Deep It Goes

Locator - Wisconsin

44.50 degrees N, 92.29 degrees W - Pierce, Buffalo, Pepin 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 Pepin

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 Pepin Stacks Up

Ranks #9 for depth among the 13 natural lakes counted in Wisconsin so far.
Ranks #2 for surface area among the Wisconsin lakes counted so far - 24,550 acres.
About 175 miles from Madison, as the crow flies.
3 fish species on the DNR list for this lake.

Fish Species

PanfishLargemouth BassNorthern Pike

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

Facts and Figures

Waterbody ID (WBIC)731800

CountyPierce, Buffalo, Pepin

Lake TypeDrainage

Coordinates44.4971, -92.2920

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 731800); USGS; Wisconsin Lakes (shallow-lake benchmark). Verified October 28, 2026.