Big Eau Pleine Reservoir

Marathon County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)6,348
Maximum Depth (ft)46
Mean Depth (ft)16
Shoreline (miles)
Bottom Composition60% sand, 0% gravel, 15% rock, 25% muck
Water Clarity — Secchi Depth (ft)
Trophic Status
Drainage BasinDRAINAGE
Lake Classflowage
Public Access
Township
GPS Coordinates44.74090° N, 89.82140° W
WBIC (DNR ID)1427400

Fish Species

4 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
WalleyeAbundant
Northern PikeCommon
MuskyPresent
Smallmouth BassPresent

Boat Landings

12 landings

NameTypeRampTrailersFee
Boat Landing 1Public
Boat Landing 2Public
Boat Landing 3Public
Boat Landing 4Public
Boat Landing 5Public
Boat Landing 6Public
Boat Landing 7Public
Boat Landing 8Public
Boat Landing 9Public
Boat Landing 10Public
Boat Landing 11Public
Boat Landing 12Public

Invasive Species

No invasive species currently documented for this lake.

Data sourced from Wisconsin DNR lake surveys. Last scraped: 3/24/2026.

Big Eau Pleine Reservoir — Facts & Figures | Stay Northern