Lake Redstone

Sauk County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)635
Maximum Depth (ft)36.5
Mean Depth (ft)14
Shoreline (miles)—
Bottom Composition40% sand, 0% gravel, 0% rock, 60% muck
Water Clarity — Secchi Depth (ft)—
Trophic Status—
Drainage BasinDRAINAGE
Lake Classflowage
Public Access—
Township—
GPS Coordinates43.60670° N, 90.09250° W
WBIC (DNR ID)1280400

Fish Species

5 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
Largemouth BassCommon—
PanfishCommon—
MuskyPresent—
Northern PikePresent—
WalleyePresent—

Boat Landings

3 landings

NameTypeRampTrailersFee♿
Lake Redstone AccessRAMP—11-15YesNo
Redstone Boat LandingRAMP—Gr25YesYes
Redstone Fox Court Boat LandingRAMP—6-10NoNo

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
Curly-Leaf PondweedConfirmed—
Eurasian Water-MilfoilConfirmed—
Ornamental water lilies (non-native Nymphaea sp.)Confirmed—
Purple LoosestrifeConfirmed—
Yellow IrisConfirmed—

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