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
Big Eau Pleine River AccessRAMP1-5YesNo
Big Eau Pleine River AccessRAMP1-5NoNo
Lisa's LandingRAMP16-20NoYes
Maryel Boat LandingRAMP1-5NoNo
Big Eau Pleine County Park - South Unit Boat Ramp 1RAMP1-5YesYes
Sandy Shore Drive LaunchRAMP0NoNo
George's LandingRAMP1-5No
Big Eau Pleine County Park - West Unit Boat RampRAMP16-20YesYes
Big Eau Pleine River AccessRAMP1-5NoNo
Big Eau Pleine River AccessRAMP1-5NoNo
Big Eau Pleine County Park - South Unit Boat Ramp 2RAMP11-15YesYes
Big Eau Pleine River AccessRAMP1-5NoNo

Invasive Species

No invasive species currently documented for this lake.

Data sourced from Wisconsin DNR lake surveys. Last scraped: 4/29/2026.