Thompson Lake
About Thompson Lake
Thompson Lake is a 207-acre lake near Fredenberg in St. Louis County, Minnesota. It reaches 9 feet at its deepest point, and has roughly 3.9 miles of shoreline.
Minnesota DNR fisheries surveys list 8 fish species here, including northern pike, largemouth bass, black crappie, bluegill, pumpkinseed, and yellow perch. The most recent fisheries survey on file dates to 2000.
The DNR lists public water access for the lake; confirm the launch type before towing a trailer in. Ice typically goes out around April 23, based on 11 years of DNR ice-out records.
Plan Your Visit to Thompson Lake
- 207 acres, up to 9 feet deep, near Fredenberg
- Public access on record — bring a boat you can hand-launch unless you confirm a ramp
- Game fish on the DNR survey: northern pike, largemouth bass, black crappie, bluegill, pumpkinseed, and yellow perch
Access & Fees
- Public access
- Public access on record
- Launch fee
- Free at DNR accesses
Conditions
- Surface area
- 207 acres
- Max depth
- 9 ft
- Shoreline
- 3.9 mi
- Shallows (under 15 ft)
- 207 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
No developed facilities on record. Plan to be self-sufficient.
- Ice is never completely safe — check thickness yourself before walking or driving on any lake
Angler's Report
Minnesota DNR LakeFinder- Species on survey
- 8
- Game fish
- 6
- Stocked
- No
- Last DNR survey
- 2000
- Special regulations
- No
- Fishing pier
- No
- Ice fishing
- Yes
- Boat launch
- No
Fishing data: Minnesota Department of Natural Resources. Regulations change — confirm with the current DNR fishing regulations.
Ice-Out History
- Median ice-out
- April 23
- Years of record
- 11
- Earliest
- April 12, 2017
- Latest
- May 7, 2022
- Most recent
- May 3, 2023
See every lake on the ice-out tracker. Ice-out data: Minnesota DNR State Climatology Office.
Activities
Amenities
Fish Species
Plan your trip to Thompson Lake
Compare Thompson Lake against the top-ranked lakes nearby, then map your route.
Nearby Lakes
Alden Lake
44 out of 100 Lake ScoreSt. Louis · Duluth190 acres
2.3 miles away
Spring Lake
52 out of 100 Lake ScoreSt. Louis · Two Harbors98 acres
3.1 miles away
Briar Lake
32 out of 100 Lake ScoreSt. Louis · Palmers79 acres
4.8 miles away
Barrs Lake
30 out of 100 Lake ScoreSt. Louis · Duluth125 acres
4.9 miles away
Boulder Lake
55 out of 100 Lake ScoreSt. Louis · Duluth3,260 acres
5.4 miles away
Island Lake Reservoir
58 out of 100 Lake ScoreSt. Louis · Duluth8,001 acres
7.1 miles away
Frequently Asked Questions
Where is Thompson Lake?
Thompson Lake is in St. Louis County, Minnesota, near Fredenberg. It covers 207 acres and reaches 9 feet deep.
How big and how deep is Thompson Lake?
Thompson Lake covers 207 acres with about 3.9 miles of shoreline. Its maximum depth is 9 feet.
What fish can you catch at Thompson Lake?
Minnesota DNR surveys list Northern Pike, Largemouth Bass, Black Crappie, Bluegill, Pumpkinseed, and Yellow Perch. A Minnesota fishing license is required for anyone 16 and older.
Is there a public boat launch on Thompson Lake?
Public access is on record, but not a trailer ramp: public access on record.
Can you swim at Thompson Lake?
There is no mapped public swim beach at Thompson 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 Thompson Lake stocked?
The DNR has no stocking report on file for Thompson Lake; its fishery is sustained by natural reproduction or has not been stocked recently.
When does the ice go out on Thompson Lake?
The median ice-out date is April 23, from 11 years of Minnesota DNR records. The earliest on record is April 12, 2017 and the latest is May 7, 2022.