Long Lake
About Long Lake
Long Lake is a 767-acre lake near Fergus Falls in Otter Tail County, Minnesota. It reaches 73 feet at its deepest point, and has roughly 7.5 miles of shoreline. DNR surveys put average water clarity at about 8.7 feet.
Minnesota DNR fisheries surveys list 17 fish species here, including walleye, northern pike, largemouth bass, black crappie, bluegill, and pumpkinseed. The DNR has stocking records for the lake, so check the stocking report for the most recent species and year classes. The most recent fisheries survey on file dates to 2023.
There is one public boat launch (concrete surface) managed by the Minnesota DNR. The lake is listed as infested with zebra mussel — clean, drain and dry your boat and gear before leaving. Ice typically goes out around April 12, based on 6 years of DNR ice-out records.
Plan Your Visit to Long Lake
- 767 acres, up to 73 feet deep, near Fergus Falls
- 1 public boat launch (concrete) — managed by the Minnesota DNR
- Game fish on the DNR survey: walleye, northern pike, largemouth bass, black crappie, bluegill, and pumpkinseed
- Average water clarity around 8.7 feet
- Listed as infested with zebra mussel — clean, drain and dry before you leave
Access & Fees
- Public access
- 1 public boat launch (concrete)
- Launch fee
- Free at DNR accesses
- Managed by
- Minnesota DNR
Conditions
- Surface area
- 767 acres
- Max depth
- 73 ft
- Shoreline
- 7.5 mi
- Water clarity
- 8.7 ft
- Shallows (under 15 ft)
- 306 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
- Ice is never completely safe — check thickness yourself before walking or driving on any lake
Angler's Report
Minnesota DNR LakeFinder- Species on survey
- 17
- Game fish
- 9
- Stocked
- Yes
- Last DNR survey
- 2023
- 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.
Ice-Out History
- Median ice-out
- April 12
- Years of record
- 6
- Earliest
- March 25, 2016
- Latest
- April 29, 2018
- Most recent
- March 30, 2021
See every lake on the ice-out tracker. Ice-out data: Minnesota DNR State Climatology Office.
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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Nearby Lakes
Jewett Lake
64 out of 100 Lake ScoreOtter Tail · Elizabeth747 acres
1.4 miles away
Anderson Lake
40 out of 100 Lake ScoreOtter Tail · Erhard89 acres
3.4 miles away
Tonseth Lake
28 out of 100 Lake ScoreOtter Tail · Erhard149 acres
4.1 miles away
Otter Tail River Reservoir
53 out of 100 Lake ScoreOtter Tail · Fergus Falls313 acres
4.2 miles away
Heilberger Lake
48 out of 100 Lake ScoreOtter Tail · Erhard221 acres
4.8 miles away
Twenty-one Lake
50 out of 100 Lake ScoreOtter Tail · Erhard142 acres
5.8 miles away
Frequently Asked Questions
Where is Long Lake?
Long Lake is in Otter Tail County, Minnesota, near Fergus Falls. It covers 767 acres and reaches 73 feet deep.
How big and how deep is Long Lake?
Long Lake covers 767 acres with about 7.5 miles of shoreline. Its maximum depth is 73 feet.
What fish can you catch at Long Lake?
Minnesota DNR surveys list Walleye, Northern Pike, Largemouth Bass, Black Crappie, Bluegill, Pumpkinseed, Yellow Perch, Tullibee (Cisco), 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 (concrete), 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?
Yes. The Minnesota DNR has stocking records for Long Lake; species and numbers vary by year, so see the stocking report on DNR LakeFinder.
When does the ice go out on Long Lake?
The median ice-out date is April 12, from 6 years of Minnesota DNR records. The earliest on record is March 25, 2016 and the latest is April 29, 2018.
Does Long Lake have invasive species?
Yes. The DNR lists Long Lake as infested with zebra mussel. State law requires you to clean off plants, pull the drain plug and drain all water before leaving the access.