Lake Butte des Morts

Winnebago County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)8,581
Maximum Depth (ft)9
Mean Depth (ft)
Shoreline (miles)
Bottom Composition40% sand, 10% gravel, 0% rock, 50% muck
Water Clarity — Secchi Depth (ft)
Trophic Status
Drainage BasinDRAINAGE
Lake Classlake
Public Access
Township
GPS Coordinates44.07020° N, 88.63870° W
WBIC (DNR ID)139900

Fish Species

8 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
CatfishAbundant
Northern PikeAbundant
PanfishAbundant
SturgeonAbundant
Largemouth BassCommon
MuskyPresent
Smallmouth BassPresent
WalleyePresent

Boat Landings

3 landings

NameTypeRampTrailersFee
Boat Landing 1Public
Boat Landing 2Public
Boat Landing 3Public

Invasive Species

Invasive species have been documented in or near this lake. Please clean, drain, and dry all watercraft and equipment before leaving to prevent spread.

SpeciesStatusFirst Detected
Brittle WaternymphConfirmed
Curly-Leaf PondweedConfirmed
Eurasian Water-MilfoilConfirmed
Faucet SnailConfirmed
Flowering RushConfirmed
Phragmites (non-native)Confirmed
Purple LoosestrifeConfirmed
Rusty CrayfishConfirmed
Zebra MusselConfirmed

Data sourced from Wisconsin DNR lake surveys. Last scraped: 3/24/2026.

Lake Butte des Morts — Facts & Figures | Stay Northern