Green Lake

Green Lake County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)7,920
Maximum Depth (ft)236
Mean Depth (ft)104
Shoreline (miles)
Bottom Composition
Water Clarity — Secchi Depth (ft)
Trophic Status
Drainage BasinDRAINAGE
Lake Classlake
Public Access
Township
GPS Coordinates43.81020° N, 89.00180° W
WBIC (DNR ID)146100

Fish Species

7 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
CatfishCommon
Smallmouth BassCommon
TroutCommon
Largemouth BassPresent
Northern PikePresent
PanfishPresent
WalleyePresent

Boat Landings

8 landings

NameTypeRampTrailersFee
Hattie Sherwood Park Boat LaunchRAMP1-5YesNo
Beyers Cove Boat LaunchRAMPUnknown
Deacon Mills Park Boat RampRAMP6-10YesNo
Horners LandingRAMPGr25YesNo
Canal Street LaunchRAMP16-20NoNo
Dodge Memorial Park AccessRAMPGr25Yes
Duerings LandingRAMP1-5NoNo
Sunset Park Boat RampRAMP11-15YesYes

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
Rusty CrayfishConfirmed

Data sourced from Wisconsin DNR lake surveys. Last scraped: 4/29/2026.