Mons Lake
About Mons Lake
Mons Lake is a 95-acre lake near Swanville in Todd County, Minnesota. It reaches 80 feet at its deepest point, and has roughly 1.8 miles of shoreline. DNR surveys put average water clarity at about 15.3 feet, which is exceptionally clear for Minnesota.
Minnesota DNR fisheries surveys list 15 fish species here, including walleye, northern pike, muskellunge, largemouth bass, black crappie, and bluegill. 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 2024.
There is one public boat launch (concrete surface) managed by the township.
Plan Your Visit to Mons Lake
- 95 acres, up to 80 feet deep, near Swanville
- 1 public boat launch (concrete) — managed by the township
- Game fish on the DNR survey: walleye, northern pike, muskellunge, largemouth bass, black crappie, and bluegill
- Average water clarity around 15.3 feet — very clear
Access & Fees
- Public access
- 1 public boat launch (concrete)
- Launch fee
- Free at DNR accesses
- Managed by
- township
Conditions
- Surface area
- 95 acres
- Max depth
- 80 ft
- Shoreline
- 1.8 mi
- Water clarity
- 15.3 ft
- Shallows (under 15 ft)
- 21 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
- 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
- 15
- Game fish
- 9
- Stocked
- Yes
- 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 Mons Lake
Compare Mons Lake against the top-ranked lakes nearby, then map your route.
Nearby Lakes
Little Swan Lake
58 out of 100 Lake ScoreTodd · Pillsbury164 acres
0.8 miles away
Bass Lake
60 out of 100 Lake ScoreTodd · Pillsbury123 acres
1.3 miles away
Moose Lake
52 out of 100 Lake ScoreTodd · Burtrum131 acres
2.7 miles away
Long Lake
62 out of 100 Lake ScoreTodd · Burtrum399 acres
2.8 miles away
Lake Pepin
61 out of 100 Lake ScoreTodd · Swanville53 acres
3.1 miles away
Big Swan Lake
57 out of 100 Lake ScoreTodd · Burtrum947 acres
3.2 miles away
Frequently Asked Questions
Where is Mons Lake?
Mons Lake is in Todd County, Minnesota, near Swanville. It covers 95 acres and reaches 80 feet deep.
How big and how deep is Mons Lake?
Mons Lake covers 95 acres with about 1.8 miles of shoreline. Its maximum depth is 80 feet.
What fish can you catch at Mons Lake?
Minnesota DNR surveys list Walleye, Northern Pike, Muskellunge, Largemouth Bass, Black Crappie, Bluegill, Pumpkinseed, Yellow Perch, and Tullibee (Cisco) and other species. A Minnesota fishing license is required for anyone 16 and older.
Is there a public boat launch on Mons Lake?
Yes. Mons Lake has 1 public boat launch (concrete), managed by the township. DNR public water accesses are free to use.
Can you swim at Mons Lake?
There is no mapped public swim beach at Mons 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 Mons Lake stocked?
Yes. The Minnesota DNR has stocking records for Mons Lake; species and numbers vary by year, so see the stocking report on DNR LakeFinder.