Lac Courte Oreilles

Sawyer County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)5,139
Maximum Depth (ft)90
Mean Depth (ft)34
Shoreline (miles)—
Bottom Composition55% sand, 20% gravel, 5% rock, 20% muck
Water Clarity — Secchi Depth (ft)—
Trophic Status—
Drainage BasinDRAINAGE
Lake Classlake
Public Access—
Township—
GPS Coordinates45.89520° N, 91.43460° W
WBIC (DNR ID)2390800

Fish Species

6 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
Northern PikeAbundant—
MuskyCommon—
PanfishCommon—
Smallmouth BassCommon—
WalleyeCommon—
Largemouth BassPresent—

Boat Landings

3 landings

NameTypeRampTrailersFee♿
Victory Heights LandingRAMP—1-5NoNo
LCO Drive Boat LandingRAMP—1NoNo
Lac Courte Oreilles AccessRAMP—Gr25NoYes

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—
Eurasian Water-MilfoilConfirmed—
Rusty CrayfishConfirmed—

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