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Cass Lake

Beltrami County, Minnesota

Size:15,958.25 acres
Max Depth:120 ft
Public Access:✓ Yes

🌤️ Current Conditions

🏞️About Cass Lake

Cass Lake sits entirely within the Chippewa National Forest near the city of Cass Lake, and is home to Star Island — a large island that itself contains its own 199-acre interior lake, Lake Windigo. Minnesota's 11th-largest lake overall, it holds a strong walleye fishery and a genuine trophy muskie fishery, with depths reaching 120 ft.

Why Fish Cass Lake?

  • Home to Star Island, which itself contains its own 199-acre interior lake, Lake Windigo — "a lake within an island within a lake"
  • Minnesota's 11th-largest lake overall, entirely within the Chippewa National Forest
  • A strong walleye fishery alongside a genuine trophy muskie fishery, with fish over 50" reported, and depths to 120 ft
  • Water clarity has increased with zebra mussels present, pushing more fish activity to low-light hours

Best for:

WalleyeMuskieNorthern PikeYellow Perch

💡Local Tips for Cass Lake

  • 1With rising water clarity, favor early morning, evening, and night fishing over bright midday hours
  • 2In fall (October–November), walleye and muskie slide to deeper structure around 18–32 ft — humps, bars, and river-mouth areas are a strong trophy window
  • 3Clean, drain, and dry boats between trips — zebra mussels and starry stonewort are both confirmed present

🚤Access Points

  • Norway Beach Boat Access

    Double concrete ramp with dock, 4 miles east of Cass Lake on Highway 2, within the Norway Beach Recreation Area

🗺️Where to Fish

  • Star Island reefs and bars

    Reef and bar structure surrounding Star Island — a known walleye and muskie holding area

  • Allen's Bay / Potato Islands

    Submerged humps and shoreline bars, productive in fall around 18–32 ft

  • River-mouth zones

    Current-seam structure near the Mississippi and Turtle River inflows — spring/early-summer walleye and pike

Bait shops near Cass Lake

Licensed Minnesota bait and tackle shops closest to the lake — live minnows, leeches and crawlers, plus what's biting this month.

🔬DNR Survey Data

Fall 2025 DNR standard gillnet survey

SpeciesGearCatch rateAvg. weight
Yellow PerchStandard gill nets47.4/net0.28 lb
WalleyeStandard gill nets7.8/net2 lb
Tullibee (Cisco)Standard gill nets5.6/net0.38 lb
Northern PikeStandard gill nets2.6/net3.49 lb
MuskellungeStandard gill nets0.05/net5.65 lb

Stocking History

YearSpeciesSizeQuantity
2025Walleyefry + fingerlings522,000 fry, 67,303 fingerlings
View full DNR LakeFinder survey report →

Frequently Asked Questions

How deep is Cass Lake?+

Cass Lake reaches 120 feet at its deepest point, one of the deeper lakes in the Chippewa National Forest area.

Is Cass Lake good for muskie fishing?+

Yes — Cass Lake holds a genuine trophy muskie fishery alongside its walleye population, with fish over 50 inches reported.

Where do I access Cass Lake?+

Norway Beach Boat Access, 4 miles east of the city of Cass Lake on Highway 2, is the primary public access, with a double concrete ramp and dock.

What is Star Island on Cass Lake?+

Star Island is a large island in the middle of Cass Lake that contains its own 199-acre interior lake, Lake Windigo — an unusual "lake within an island within a lake."

Do I need a fishing license to fish in Minnesota?+

Yes — anyone 16 or older needs a valid Minnesota fishing license to fish any lake in the state. A resident annual license runs about $25, non-resident around $51, with short-term options (24-hour, 72-hour, 7-day) also available online or at local bait shops. Anglers under 16 and residents 90+ are exempt. Prices can change year to year — verify current fees at the DNR before buying.

What's the best time of day to fish?+

Early morning (dawn through a few hours after sunrise) and evening (a few hours before dusk through dark) are generally the most productive windows, when gamefish like walleye and bass feed most actively in low light. Midday can still produce, especially on cloudy or windy days or by fishing deeper structure.

What's the best time of year to fish in Minnesota?+

Minnesota fishing is essentially year-round. The open-water season runs from the general fishing opener in mid-May through fall, with spring (post-spawn) and fall (pre-winter feeding) often producing the most active bites. Ice fishing typically runs December through February or March once lakes freeze safely.

Can I fish from shore, or do I need a boat?+

Both work on most Minnesota lakes. Shore and pier fishing near public accesses is a great option, especially for panfish, though a boat opens up more structure and deeper water where species like walleye often hold — particularly on larger lakes.

What basic gear do I need to get started?+

A medium-action spinning rod and reel, 6–10 lb test line, a small tackle box with jigs, hooks, and a few live-bait rigs, plus a Minnesota fishing license covers most beginner trips. Live bait (nightcrawlers, leeches, minnows) is effective and easy to find at bait shops near most popular lakes.

How do I find current fishing regulations for a specific lake?+

Check the Minnesota DNR's LakeFinder tool (dnr.state.mn.us/lakefind) by searching the lake name or DOW number — it shows any lake-specific regulations, like special slot limits, alongside statewide rules. Regulations can change year to year, so verify before you keep fish even on a lake you've fished before.

How thick does ice need to be for safe ice fishing?+

The DNR recommends at least 4 inches of new, clear ice to support a person on foot, and 5–7 inches for a snowmobile or ATV — considerably more for any vehicle. Ice thickness varies across a single lake and can be a foot thick in one spot and dangerously thin a few feet away. The DNR doesn't measure or guarantee ice safety on any lake, so check thickness yourself as you go.

What should I do if I catch a fish I'm not sure I should keep?+

When in doubt, release it. Check the DNR's current size and possession limits for the species and lake before fishing, and be aware some lakes and species carry fish consumption advisories from the MN Department of Health for mercury or other contaminants — a separate concern from possession regulations, and worth checking too.

Do I need a fishing guide?+

Not required, but worth considering for a first trip to a large or unfamiliar lake — local guides know current structure, depth, and patterns that can take years to learn on your own, especially on big water like Lake of the Woods or Mille Lacs. On smaller, well-mapped lakes, most anglers do fine self-guided.

Where can I find current fishing reports and conditions?+

Check this site's fishing forecast and weather pages for current conditions, or the DNR's LakeFinder for lake-specific water clarity, temperature, and survey data. Local bait shops near a given lake are also a reliable source for what's actually biting that week.

📊Lake Details

DOW Number
04003000
Surface Area
15,958.25 acres
Maximum Depth
120 feet
County
Beltrami
From Minneapolis
~4h15m from the Twin Cities via MN-371, to the city of Cass Lake in the Chippewa National Forest
Coordinates
47.4237°N, 94.5623°W

💡Quick Tips

  • Check ice conditions before winter fishing - never trust visual appearance alone
  • Early morning and late evening are typically best for walleye
  • Always have a valid Minnesota fishing license before fishing
  • Clean, drain, and dry boats to prevent invasive species spread