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♿
Butte Des Morts Village AccessRAMP—1-5NoNo
Lake Butte des Morts Boat LandingRAMP—Gr25YesNo
Rivermoor Road AccessRAMP—1-5NoNo

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: 4/29/2026.

Lake Butte des Morts — Facts & Figures | Stay Northern