Slim Lake

Washburn County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)210
Maximum Depth (ft)42
Mean Depth (ft)22
Shoreline (miles)—
Bottom Composition51% sand, 38% gravel, 11% rock, 0% muck
Water Clarity — Secchi Depth (ft)—
Trophic Status—
Drainage BasinDRAINAGE
Lake Classlake
Public Access—
Township—
GPS Coordinates45.79770° N, 91.55880° W
WBIC (DNR ID)2109300

Fish Species

5 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
PanfishAbundant—
Largemouth BassCommon—
Northern PikePresent—
Smallmouth BassPresent—
WalleyePresent—

Boat Landings

1 landing

NameTypeRampTrailersFee♿
Slim Lake Public AccessRAMP—1-5NoNo

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—
Japanese knotweed (Fallopia japonica)Confirmed—

Data sourced from Wisconsin DNR lake surveys. Last scraped: 4/30/2026.