Long Lake
About Long Lake
Long Lake is a 246-acre lake near Hackensack in Cass County, Minnesota. It reaches 37 feet at its deepest point, and has roughly 5.1 miles of shoreline. DNR surveys put average water clarity at about 14.5 feet, clearer than most lakes in the state.
Minnesota DNR fisheries surveys list 12 fish species here, including walleye, northern pike, largemouth bass, smallmouth bass, black crappie, and bluegill. The most recent fisheries survey on file dates to 2024.
There is one public boat launch (asphalt surface) managed by the Minnesota DNR.
Plan Your Visit to Long Lake
- 246 acres, up to 37 feet deep, near Hackensack
- 1 public boat launch (asphalt) — managed by the Minnesota DNR
- Game fish on the DNR survey: walleye, northern pike, largemouth bass, smallmouth bass, black crappie, and bluegill
- Average water clarity around 14.5 feet — very clear
Access & Fees
- Public access
- 1 public boat launch (asphalt)
- Launch fee
- Free at DNR accesses
- Managed by
- Minnesota DNR
Conditions
- Surface area
- 246 acres
- Max depth
- 37 ft
- Shoreline
- 5.1 mi
- Water clarity
- 14.5 ft
- Shallows (under 15 ft)
- 140 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 (asphalt)
Best For
- Walleye fishing
- Quiet paddling
- Ice fishing
- Ice is never completely safe — check thickness yourself before walking or driving on any lake
Angler's Report
Minnesota DNR LakeFinder- Species on survey
- 12
- Game fish
- 9
- Stocked
- No
- Last DNR survey
- 2024
- Special regulations
- No
- Fishing pier
- No
- Ice fishing
- Yes
- Boat launch
- Yes
Fishing data: Minnesota Department of Natural Resources. Regulations change — confirm with the current DNR fishing regulations.
Activities
Amenities
Fish Species
Plan your trip to Long Lake
Compare Long Lake against the top-ranked lakes nearby, then map your route.
See how Long Lake ranks among fishing lakes nearby.
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Nearby Lakes
Sand Lake
64 out of 100 Lake ScoreCass · Hackensack149 acres
1.2 miles away
Ponto Lake
66 out of 100 Lake ScoreCass · Backus388 acres
1.4 miles away
Island Lake
63 out of 100 Lake ScoreCass · Longville184 acres
1.4 miles away
Sand Lake
40 out of 100 Lake ScoreCass · Longville41 acres
1.6 miles away
Big Deep Lake
54 out of 100 Lake ScoreCass · Hackensack536 acres
2 miles away
Deep Portage Lake
62 out of 100 Lake ScoreCass · Pontoria129 acres
2.1 miles away
Frequently Asked Questions
Where is Long Lake?
Long Lake is in Cass County, Minnesota, near Hackensack. It covers 246 acres and reaches 37 feet deep.
How big and how deep is Long Lake?
Long Lake covers 246 acres with about 5.1 miles of shoreline. Its maximum depth is 37 feet.
What fish can you catch at Long Lake?
Minnesota DNR surveys list Walleye, Northern Pike, Largemouth Bass, Smallmouth 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 Long Lake?
Yes. Long Lake has 1 public boat launch (asphalt), managed by the Minnesota DNR. DNR public water accesses are free to use.
Can you swim at Long Lake?
There is no mapped public swim beach at Long 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 Long Lake stocked?
The DNR has no stocking report on file for Long Lake; its fishery is sustained by natural reproduction or has not been stocked recently.