Twin Bear Lake

Bayfield County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)157
Maximum Depth (ft)59
Mean Depth (ft)23
Shoreline (miles)
Bottom Composition35% sand, 25% gravel, 35% rock, 5% muck
Water Clarity — Secchi Depth (ft)
Trophic Status
Drainage BasinSEEPAGE
Lake Classlake
Public Access
Township
GPS Coordinates46.50580° N, 91.36730° W
WBIC (DNR ID)2903100

Fish Species

6 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
Largemouth BassAbundant
PanfishCommon
Smallmouth BassCommon
WalleyeCommon
MuskyPresent
Northern PikePresent

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
Chinese Mystery SnailConfirmed
Eurasian Water-MilfoilConfirmed
Rusty CrayfishConfirmed

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

Twin Bear Lake — Facts & Figures | Stay Northern