Guernsey Lake
About Guernsey Lake
Guernsey Lake is a 121-acre lake near West Union in Todd County, Minnesota. It reaches 19 feet at its deepest point, with an average depth of about 7 feet, and has roughly 2.2 miles of shoreline. DNR surveys put average water clarity at about 3.5 feet, so expect stained or algae-tinted water in summer.
Minnesota DNR fisheries surveys list 16 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 2024.
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.
Plan Your Visit to Guernsey Lake
- 121 acres, up to 19 feet deep, near West Union
- 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 3.5 feet — expect green or stained water by midsummer
- 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
- 121 acres
- Max depth
- 19 ft
- Average depth
- 7 ft
- Shoreline
- 2.2 mi
- Water clarity
- 3.5 ft
- Shallows (under 15 ft)
- 118 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
- Low-clarity lakes are prone to summer algae blooms; keep dogs out of green, scummy water
- Ice is never completely safe — check thickness yourself before walking or driving on any lake
Angler's Report
Minnesota DNR LakeFinder- Species on survey
- 16
- Game fish
- 7
- 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 Guernsey Lake
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Nearby Lakes
Long Lake
52 out of 100 Lake ScoreTodd · Little Sauk107 acres
2.8 miles away
Little Sauk Lake
50 out of 100 Lake ScoreTodd · Little Sauk277 acres
2.9 miles away
Fairy Lake
61 out of 100 Lake ScoreTodd · Sauk Centre307 acres
3.7 miles away
Cedar Lake
60 out of 100 Lake ScoreTodd · Little Sauk139 acres
5.2 miles away
Juergens Lake
22 out of 100 Lake ScoreTodd · Little Sauk117 acres
5.2 miles away
Maple Lake
55 out of 100 Lake ScoreTodd · Gutches Grove388 acres
5.3 miles away
Frequently Asked Questions
Where is Guernsey Lake?
Guernsey Lake is in Todd County, Minnesota, near West Union. It covers 121 acres and reaches 19 feet deep.
How big and how deep is Guernsey Lake?
Guernsey Lake covers 121 acres with about 2.2 miles of shoreline. Its maximum depth is 19 feet and its average depth is about 7 feet.
What fish can you catch at Guernsey 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 Guernsey Lake?
Yes. Guernsey Lake has 1 public boat launch (concrete), managed by the Minnesota DNR. DNR public water accesses are free to use.
Can you swim at Guernsey Lake?
There is no mapped public swim beach at Guernsey 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 Guernsey Lake stocked?
Yes. The Minnesota DNR has stocking records for Guernsey Lake; species and numbers vary by year, so see the stocking report on DNR LakeFinder.
Does Guernsey Lake have invasive species?
Yes. The DNR lists Guernsey 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.