Thompson
Cook County, Minnesota — DOW #16016000
18 Surveys
Special Regulations for Thompson
This lake has regulations that differ from statewide defaults. Always check before fishing.
- Catch-and-release only. Artificial lures and flies with a single hook only. Use and possession of bait prohibited. Closed to winter fishing.
18.22
Acres
12 ft
Max Depth
7.6 ft
Mean Depth
2
Fish Species
10
Local Guides
DNR Fish Surveys
Catch-per-unit-effort (CPUE) data from Minnesota DNR fish population assessments on Thompson. Green = above normal range. Red = below normal.
Rainbow Trout
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 2003-09-29 | 1-in trap nets | 0.5 | — | 0.99 lb | 1 |
| 2003-09-29 | Standard trap nets | 1.9 | — | 0.47 lb | 15 |
| 2024-10-02 | Standard trap nets | 1.7 | — | 0.89 lb | 17 |
| 1986-05-27 | Standard gill nets | 1.0 | — | 1.06 lb | 1 |
| 1997-09-30 | Standard trap nets | 0.2 | — | 0.77 lb | 2 |
| 2007-10-01 | Standard trap nets | 0.2 | — | 0.68 lb | 2 |
| 2012-10-01 | Standard trap nets | 3.4 | — | 0.86 lb | 34 |
| 2015-09-28 | Standard trap nets | 2.5 | — | 1.06 lb | 25 |
| 1985-10-30 | Standard trap nets | 0.3 | — | 0.03 lb | 1 |
BNT
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 2003-09-29 | Standard trap nets | 1.0 | — | 1.45 lb | 8 |
| 2024-10-02 | Standard trap nets | 0.1 | — | 0.65 lb | 1 |
| 1997-09-30 | Standard trap nets | 0.6 | — | 2.40 lb | 6 |
| 2007-10-01 | Standard trap nets | 0.5 | — | 2.18 lb | 5 |
| 2012-10-01 | Standard trap nets | 0.6 | — | 3.10 lb | 6 |
Brook Trout
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1986-05-27 | Standard gill nets | 18.0 | — | 0.24 lb | 18 |
| 1985-10-30 | Standard trap nets | 3.0 | — | 0.11 lb | 12 |
White Sucker
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1986-05-27 | Standard gill nets | 7.0 (normal) | 2.6 – 17.5 | 0.64 lb | 7 |
| 1985-10-30 | Standard trap nets | 4.0 (above normal) | 0.4 – 2.4 | 0.29 lb | 16 |
Depth Maps & Lake Info
Map & Directions
Get DirectionsShowing 14 nearby bait & tackle shops on the map.
Nearby Bait & Tackle
Bear Track Outfitting Co.
Grand Marais, MN
★ 3.3Buck's Hardware
Grand Marais, MN
★ 4.5Clearwater BWCA Outfitters
Grand Marais, MN
★ 5Hungry Jack Canoe Outfitters
Grand Marais, MN
★ 4.7Lake Superior Trading Post
Grand Marais, MN
★ 4.6Moose Tracks
Grand Marais, MN
★ 4.5Northern Goods
Grand Marais, MN
★ 4.7The Fisherman's Daughter at Dockside Fish Market
Grand Marais, MN
★ 4.7Nearby Marinas
Resorts & Lodges Near Thompson
Plan your stay — fishing resorts and lodges near Thompson.
Fish Species
Species known to inhabit Thompson. Click any species for a full fishing guide.
Fishing Guides Near Thompson
Other Lakes in Cook County
Plan Your Trip to Thompson
- Weather forecast for Thompson — check wind, rain, and temperature before you go
- GPS: 47.8335°N, 90.4882°W — Get Directions
- View on MN DNR LakeFinder for the latest survey data and lake info
- Review Minnesota fishing regulations for season dates and limits
- A Minnesota fishing license is required for ages 16+ — buy online at dnr.state.mn.us
Data sourced from Minnesota DNR Division of Fish and Wildlife. Last verified: March 19, 2026. Learn how we maintain this data.