Upper Clam Lake

Ashland County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)168
Maximum Depth (ft)20
Mean Depth (ft)11
Shoreline (miles)—
Bottom Composition70% sand, 20% gravel, 0% rock, 10% muck
Water Clarity — Secchi Depth (ft)—
Trophic Status—
Drainage BasinDRAINAGE
Lake Classflowage
Public Access—
Township—
GPS Coordinates46.15290° N, 90.90640° W
WBIC (DNR ID)2429600

Fish Species

5 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
MuskyCommon—
PanfishCommon—
WalleyeCommon—
Largemouth BassPresent—
Northern PikePresent—

Boat Landings

1 landing

NameTypeRampTrailersFee♿
Clam Lake AccessRAMP—1-5NoNo

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—
Curly-Leaf PondweedConfirmed—

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