Grindstone Lake

Sawyer County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)3,176
Maximum Depth (ft)60
Mean Depth (ft)30
Shoreline (miles)
Bottom Composition40% sand, 30% gravel, 28% rock, 2% muck
Water Clarity — Secchi Depth (ft)
Trophic Status
Drainage BasinDRAINAGE
Lake Classlake
Public Access
Township
GPS Coordinates45.93530° N, 91.41540° W
WBIC (DNR ID)2391200

Fish Species

6 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
WalleyeAbundant
MuskyCommon
Northern PikeCommon
Smallmouth BassCommon
Largemouth BassPresent
PanfishPresent

Boat Landings

2 landings

NameTypeRampTrailersFee
Grindstone Lake AccessRAMPGr25NoNo
Grindstone Lake AccessRAMP1-5NoNo

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
Banded Mystery SnailConfirmed
Curly-Leaf PondweedConfirmed
Rusty CrayfishConfirmed

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