Neshonoc Lake

La Crosse County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)606
Maximum Depth (ft)11
Mean Depth (ft)4
Shoreline (miles)—
Bottom Composition10% sand, 0% gravel, 0% rock, 90% muck
Water Clarity — Secchi Depth (ft)—
Trophic Status—
Drainage BasinDRAINAGE
Lake Classflowage
Public Access—
Township—
GPS Coordinates43.90870° N, 91.05660° W
WBIC (DNR ID)1653500

Fish Species

4 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
CatfishPresent—
Largemouth BassPresent—
Northern PikePresent—
PanfishPresent—

Boat Landings

2 landings

NameTypeRampTrailersFee♿
Neshonoc South Boat RampRAMP—1-5NoNo
Neshonoc Swarthout Park Boat RampRAMP—6-10NoNo

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—
Japanese knotweed (Fallopia japonica)Confirmed—
Purple LoosestrifeConfirmed—

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