Diamond Lake

Vilas County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)115
Maximum Depth (ft)40
Mean Depth (ft)—
Shoreline (miles)—
Bottom Composition50% sand, 50% gravel, 0% rock, 0% muck
Water Clarity — Secchi Depth (ft)—
Trophic Status—
Drainage BasinSEEPAGE
Lake Classlake
Public Access—
Township—
GPS Coordinates46.04380° N, 89.71590° W
WBIC (DNR ID)1844700

Fish Species

5 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
MuskyCommon—
PanfishCommon—
Smallmouth BassCommon—
Largemouth BassPresent—
WalleyePresent—

Boat Landings

1 landing

NameTypeRampTrailersFee♿
Diamond Lake Boat RampRAMP—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
Rusty CrayfishConfirmed—

Data sourced from Wisconsin DNR lake surveys. Last scraped: 4/29/2026.