Alder Lake

Vilas County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)264
Maximum Depth (ft)30
Mean Depth (ft)—
Shoreline (miles)—
Bottom Composition85% sand, 5% gravel, 5% rock, 5% muck
Water Clarity — Secchi Depth (ft)—
Trophic Status—
Drainage BasinDRAINAGE
Lake Classlake
Public Access—
Township—
GPS Coordinates46.08810° N, 89.81960° W
WBIC (DNR ID)2329600

Fish Species

6 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
WalleyeAbundant—
MuskyCommon—
PanfishCommon—
Largemouth BassPresent—
Northern PikePresent—
Smallmouth BassPresent—

Boat Landings

1 landing

NameTypeRampTrailersFee♿
Alder Lake AccessCARRY-IN—0NoNo

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—
Curly-Leaf PondweedConfirmed—
Rusty CrayfishConfirmed—

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