Third Lake

Trempealeau County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)35
Maximum Depth (ft)8
Mean Depth (ft)4
Shoreline (miles)—
Bottom Composition98% sand, 0% gravel, 0% rock, 2% muck
Water Clarity — Secchi Depth (ft)—
Trophic Status—
Drainage BasinDRAINAGE
Lake Classlake
Public Access—
Township—
GPS Coordinates43.99290° N, 91.41090° W
WBIC (DNR ID)728700

Fish Species

4 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
Largemouth BassCommon—
Northern PikeCommon—
PanfishCommon—
WalleyePresent—

Boat Landings

2 landings

NameTypeRampTrailersFee♿
Third Lake Access NorthRAMP—21-25NoNo
Third Lake Access SouthRAMP—16-20NoNo

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—

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

Third Lake — Facts & Figures | Stay Northern