Rock Lake

Vilas County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)120
Maximum Depth (ft)18
Mean Depth (ft)
Shoreline (miles)
Bottom Composition50% sand, 15% gravel, 25% rock, 10% muck
Water Clarity — Secchi Depth (ft)
Trophic Status
Drainage BasinSEEPAGE
Lake Classflowage
Public Access
Township
GPS Coordinates46.25910° N, 89.87180° W
WBIC (DNR ID)2311700

Fish Species

5 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
Largemouth BassAbundant
PanfishCommon
WalleyeCommon
MuskyPresent
Northern PikePresent

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
Rusty CrayfishConfirmed
Yellow IrisConfirmed

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