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 AccessRAMP11-15YesNo
Redstone Boat LandingRAMPGr25YesYes
Redstone Fox Court Boat LandingRAMP6-10NoNo

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.

Lake Redstone — Facts & Figures | Stay Northern