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Minnesota›Cass County›Birch Lake

Birch Lake

Available dataInteractive depth contours
--°FLoading forecastWind pendingHumidity pendingPending fishingForecast
Birch LakeCass County, MN
Contours load with map
Interactive depth contours5-foot typical interval · Official Minnesota DNR survey bathymetry · Not for navigation
Source: Minnesota DNRhigh confidence · QA passed · Select a contour to inspect its mapped depthOfficial Minnesota DNR lake survey: measured depth contours at a 5-ft interval (deepest mapped contour 45 ft), digitized by the DNR from field bathymetric surveys and reprojected to WGS84. Bathymetry © Minnesota DNR. Not for navigation.

LakeList assistant

Plan your lake day

Fishing spots, food, lodging, marinas, and rentals around Birch Lake.

Start here

Fishing

Fishing at Birch Lake

Angler catch reportsWeather windows

Angler reports · Fishbrain

What anglers catch here

Anglers have logged 112 catches on Birch Lake via Fishbrain — 19 in the last 30 days, most recently on Jul 26, 2026.

Most-reported species

  • Largemouth bass52 reports · peaks June
  • Northern pike25 reports · peaks June
  • Black crappie7 reports
  • Walleye5 reports
  • Bluegill3 reports
  • Pumpkinseed3 reports
Show 1 more species
  • Rock bass3 reports

14 of the 112 logged catches didn’t name a species and aren’t listed above.

Seasonality

All fish
Jan
Feb
Mar
Apr
22May
32Jun
22Jul
4Aug
4Sep
Oct
Nov
Dec
Monthly reports, all fish: Jan 0 · Feb 0 · Mar 0 · Apr 0 · May 22 · Jun 32 · Jul 22 · Aug 4 · Sep 4 · Oct 0 · Nov 0 · Dec 0.

Of the 112 logged catches, 84 carry a month and 81 carry a year; the charts cover those.

2026 had the most reports (28).

Counts reflect reporting activity, not fish populations. Waterbody location is provider-level; exact spots and angler details aren’t shown.

Fishery details for this lakeExplore this area on Fishbrain

NWS weather

Weather windows

Weather-based planning from the National Weather Service hourly forecast near this lake — not a catch forecast.

Loading
Loading latest forecast…

Checking wind, precipitation, and near-term weather windows.

Water temperature

Birch Lake water temperature today

Modeled surface-temperature estimate built from seasonal climate, lake depth, and live National Weather Service air temperatures near this lake.

68°FWarm

Seasonal estimate. Checking current National Weather Service air temperatures…

Comfortable summer pattern. Bass and panfish are active; early and late hours beat the midday heat.

Warmest monthAugust · ~73°F
Freezing surfaceDecember – March
Model depth input30 ft max depth
Monthly Birch Lake water temperatures and freeze-up FAQ →

Estimates are modeled, not measured. Actual temperatures vary with depth, wind mixing, and recent weather — verify conditions before swimming, boating, or heading onto ice.

275.51surface acres
30max depth feet
0public access points
46.9385, -94.5451latitude, longitude

Access

Public access points

No mapped access points yet

LakeList has not matched a public launch, park, or shoreline access point for this lake yet.

Nearby

Trip-planning places

No nearby trip-planning places yet

Depth FAQ

How deep is Birch Lake?

Birch Lake is 30 feet deep at its deepest point, according to public agency records.

Is there a free depth map of Birch Lake?

Yes. LakeList publishes a free interactive depth contour map of Birch Lake at a typical 5-foot interval, with an optional 3D underwater view, derived from Minnesota DNR survey data.

Where does the Birch Lake depth map come from?

The interactive depth contours are derived from Minnesota DNR. Each contour set passes a visual QA review against the source document before it is published. The depths are from an official Minnesota DNR survey (measured bathymetric contours); not for navigation.

View the full Birch Lake depth map →

Trust and freshness

Where this lake data comes from

Minnesota DNR LakeFindername, coordinates, county, source identifiers
LakeList record updated 2026-05-26

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