Long Lake

Florence County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)73
Maximum Depth (ft)75
Mean Depth (ft)27
Shoreline (miles)
Bottom Composition40% sand, 35% gravel, 10% rock, 15% muck
Water Clarity — Secchi Depth (ft)
Trophic Status
Drainage BasinDRAINAGE
Lake Classlake
Public Access
Township
GPS Coordinates45.89350° N, 88.12680° W
WBIC (DNR ID)702500

Fish Species

5 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
PanfishAbundant
Largemouth BassCommon
Northern PikeCommon
WalleyeCommon
Smallmouth BassPresent

Boat Landings

No boat landing data available.

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
Banded Mystery SnailConfirmed
Chinese Mystery SnailConfirmed
Eurasian Water-MilfoilConfirmed
Rusty CrayfishConfirmed
Zebra MusselConfirmed

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

Long Lake — Facts & Figures | Stay Northern