Frog Lake

Florence County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)28
Maximum Depth (ft)21
Mean Depth (ft)
Shoreline (miles)
Bottom Composition85% sand, 0% gravel, 0% rock, 15% muck
Water Clarity — Secchi Depth (ft)
Trophic Status
Drainage BasinSEEPAGE
Lake Classlake
Public Access
Township
GPS Coordinates45.85780° N, 88.12750° W
WBIC (DNR ID)585700

Fish Species

4 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
PanfishCommon
Largemouth BassPresent
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.

Frog Lake — Facts & Figures | Stay Northern