Tree Lake

Portage County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)73
Maximum Depth (ft)33
Mean Depth (ft)14
Shoreline (miles)—
Bottom Composition0% sand, 50% gravel, 0% rock, 50% muck
Water Clarity — Secchi Depth (ft)—
Trophic Status—
Drainage BasinDRAINAGE
Lake Classlake
Public Access—
Township—
GPS Coordinates44.67290° N, 89.27390° W
WBIC (DNR ID)289400

Fish Species

3 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
Largemouth BassCommon—
Northern PikePresent—
PanfishPresent—

Boat Landings

1 landing

NameTypeRampTrailersFee♿
Tree Lake AccessRAMP—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
Banded Mystery SnailConfirmed—
Chinese Mystery SnailConfirmed—
Curly-Leaf PondweedConfirmed—

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

Tree Lake — Facts & Figures | Stay Northern