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Blackwater Lake

lakeItasca County, Minnesota · near Cohasset601 acres55 out of 100 Lake Score Lake Score

About Blackwater Lake

Blackwater Lake is a 601-acre lake near Cohasset in Itasca County, Minnesota. It reaches 72 feet at its deepest point, and has roughly 10.1 miles of shoreline.

Minnesota DNR fisheries surveys list 14 fish species here, including walleye, northern pike, largemouth bass, black crappie, bluegill, and pumpkinseed. Special fishing regulations apply to sunfish, and they override the statewide limits. The most recent fisheries survey on file dates to 2019.

There is one public boat launch (concrete surface). The lake is listed as infested with faucet snail — clean, drain and dry your boat and gear before leaving.

Plan Your Visit to Blackwater Lake

What to Know Before You Go
  • 601 acres, up to 72 feet deep, near Cohasset
  • 1 public boat launch (concrete)
  • Game fish on the DNR survey: walleye, northern pike, largemouth bass, black crappie, bluegill, and pumpkinseed
  • Special fishing regulations apply here and override the statewide limits
  • Listed as infested with faucet snail — clean, drain and dry before you leave

Access & Fees

Public access
1 public boat launch (concrete)
Launch fee
Free at DNR accesses

Conditions

Surface area
601 acres
Max depth
72 ft
Shoreline
10.1 mi
Shallows (under 15 ft)
629 acres

Rules & Regulations

  • A Minnesota fishing license is required for anglers 16 and older
  • Drain plugs must be out and all water drained before leaving any access; remove aquatic plants from boats and trailers
  • Children under 10 must wear a life jacket on a boat that is underway

Facilities

  • 1 public boat launch (concrete)

Best For

  • Walleye fishing
  • Ice fishing
Know Before You Go
  • Ice is never completely safe — check thickness yourself before walking or driving on any lake

Angler's Report

Minnesota DNR LakeFinder
Species on survey
14
Game fish
8
Stocked
No
Last DNR survey
2019
Special regulations
Yes
Fishing pier
No
Ice fishing
Yes
Boat launch
Yes

Special regulations on this lake

  • Sunfish: Daily limit five.

Fishing data: Minnesota Department of Natural Resources. Regulations change — confirm with the current DNR fishing regulations.

Activities

FishingIce FishingBoatingPaddling

Amenities

Boat Ramp

Fish Species

WalleyeNorthern PikeLargemouth BassBlack CrappieBluegillPumpkinseedYellow PerchRock BassBowfinBrown BullheadHybrid SunfishShorthead RedhorseWhite SuckerYellow Bullhead

Plan your trip to Blackwater Lake

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Frequently Asked Questions

Where is Blackwater Lake?

Blackwater Lake is in Itasca County, Minnesota, near Cohasset. It covers 601 acres and reaches 72 feet deep.

How big and how deep is Blackwater Lake?

Blackwater Lake covers 601 acres with about 10.1 miles of shoreline. Its maximum depth is 72 feet.

What fish can you catch at Blackwater Lake?

Minnesota DNR surveys list Walleye, Northern Pike, Largemouth Bass, Black Crappie, Bluegill, Pumpkinseed, Yellow Perch, and Rock Bass and other species. A Minnesota fishing license is required for anyone 16 and older.

Is there a public boat launch on Blackwater Lake?

Yes. Blackwater Lake has 1 public boat launch (concrete). DNR public water accesses are free to use.

Can you swim at Blackwater Lake?

There is no mapped public swim beach at Blackwater Lake. Minnesota's public waters are open to swimming where you have legal access, but there are no lifeguards or water-quality monitoring away from designated beaches.

Is Blackwater Lake stocked?

The DNR has no stocking report on file for Blackwater Lake; its fishery is sustained by natural reproduction or has not been stocked recently.

Are there special fishing regulations on Blackwater Lake?

Yes. Daily limit five.

Does Blackwater Lake have invasive species?

Yes. The DNR lists Blackwater Lake as infested with faucet snail. State law requires you to clean off plants, pull the drain plug and drain all water before leaving the access.