Forest Lake

Fond du Lac County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)51
Maximum Depth (ft)32
Mean Depth (ft)11
Shoreline (miles)
Bottom Composition0% sand, 0% gravel, 0% rock, 99% muck
Water Clarity — Secchi Depth (ft)
Trophic Status
Drainage BasinSEEPAGE
Lake Classlake
Public Access
Township
GPS Coordinates43.60760° N, 88.16720° W
WBIC (DNR ID)8900

Fish Species

4 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
PanfishAbundant
Largemouth BassCommon
Northern PikePresent
WalleyePresent

Boat Landings

1 landing

NameTypeRampTrailersFee
Public Boat LandingPublic

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
Eurasian Water-MilfoilConfirmed
Hybrid Eurasian / Northern Water-MilfoilConfirmed

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

Forest Lake — Facts & Figures | Stay Northern