Long Lake
About Long Lake
Long Lake is a 126-acre lake near Sullivan in Morrison County, Minnesota. It reaches 35 feet at its deepest point, and has roughly 2.3 miles of shoreline. DNR surveys put average water clarity at about 9.9 feet.
Minnesota DNR fisheries surveys list 13 fish species here, including walleye, northern pike, largemouth bass, black crappie, bluegill, and pumpkinseed. The most recent fisheries survey on file dates to 2025.
There is one public boat launch (gravel or earth surface) managed by the township.
Plan Your Visit to Long Lake
- 126 acres, up to 35 feet deep, near Sullivan
- 1 public boat launch (gravel or earth) — managed by the township
- Game fish on the DNR survey: walleye, northern pike, largemouth bass, black crappie, bluegill, and pumpkinseed
- Average water clarity around 9.9 feet
Access & Fees
- Public access
- 1 public boat launch (gravel or earth)
- Launch fee
- Free at DNR accesses
- Managed by
- township
Conditions
- Surface area
- 126 acres
- Max depth
- 35 ft
- Shoreline
- 2.3 mi
- Water clarity
- 9.9 ft
- Shallows (under 15 ft)
- 63 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 (gravel or earth)
Best For
- 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
- 13
- Game fish
- 7
- Stocked
- No
- Last DNR survey
- 2025
- 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.
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See how Long Lake ranks among ice fishing lakes nearby.
Nearby Lakes
Bulldog Lake
26 out of 100 Lake ScoreCrow Wing · Pine Center149 acres
1.2 miles away
Rock Lake
44 out of 100 Lake ScoreCrow Wing · Pine Center203 acres
1.3 miles away
Platte Lake
56 out of 100 Lake ScoreCrow Wing · Sullivan1,663 acres
1.7 miles away
Peavy Lake
63 out of 100 Lake ScoreMorrison · Sullivan140 acres
1.9 miles away
Sullivan Lake
62 out of 100 Lake ScoreMorrison · Harding1,103 acres
2.8 miles away
Erskine Lake
43 out of 100 Lake ScoreCrow Wing · Pine Center182 acres
3.2 miles away
Frequently Asked Questions
Where is Long Lake?
Long Lake is in Morrison County, Minnesota, near Sullivan. It covers 126 acres and reaches 35 feet deep.
How big and how deep is Long Lake?
Long Lake covers 126 acres with about 2.3 miles of shoreline. Its maximum depth is 35 feet.
What fish can you catch at Long Lake?
Minnesota DNR surveys list Walleye, Northern Pike, Largemouth Bass, Black Crappie, Bluegill, Pumpkinseed, and Yellow Perch 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 (gravel or earth), managed by the township. 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.