Birch Lake

Sawyer, Washburn County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)364
Maximum Depth (ft)73
Mean Depth (ft)24
Shoreline (miles)—
Bottom Composition0% sand, 15% gravel, 85% rock, 0% muck
Water Clarity — Secchi Depth (ft)—
Trophic Status—
Drainage BasinDRAINAGE
Lake Classlake
Public Access—
Township—
GPS Coordinates45.66900° N, 91.54400° W
WBIC (DNR ID)2113000

Fish Species

5 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
Largemouth BassCommon—
Northern PikeCommon—
PanfishCommon—
WalleyeCommon—
Smallmouth BassPresent—

Boat Landings

2 landings

NameTypeRampTrailersFee♿
Doolittle Park Boat RampRAMP—1-5NoNo
Birch Lake RampRAMP—16-20NoNo

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—
Rusty CrayfishConfirmed—

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

Birch Lake — Facts & Figures | Stay Northern