Thumb
St. Louis County, Minnesota — DOW #69035200
6 Surveys
64.14
Acres
6
Fish Species
33
Local Guides
DNR Fish Surveys
Catch-per-unit-effort (CPUE) data from Minnesota DNR fish population assessments on Thumb. Green = above normal range. Red = below normal.
Shorthead Redhorse
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1980-07-10 | Standard gill nets | 0.2 | — | 4.00 lb | 1 |
Northern Pike
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1980-07-10 | Standard gill nets | 1.4 | — | 4.96 lb | 7 |
Rock Bass
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1980-07-10 | Standard gill nets | 5.0 | — | 0.15 lb | 25 |
Walleye
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1980-07-10 | Standard gill nets | 2.6 | — | 2.23 lb | 13 |
White Sucker
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1980-07-10 | Standard gill nets | 2.8 | — | 2.39 lb | 14 |
Tullibee (Cisco)
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1980-07-10 | Standard gill nets | 13.6 | — | 0.36 lb | 68 |
Depth Maps & Lake Info
Map & Directions
Get DirectionsShowing 14 nearby bait & tackle shops on the map.
Nearby Bait & Tackle
Nearby Marinas
Resorts & Lodges Near Thumb
Plan your stay — fishing resorts and lodges near Thumb.
Fish Species
Species known to inhabit Thumb. Click any species for a full fishing guide.
Fishing Guides Near Thumb
Other Lakes in St. Louis County
Plan Your Trip to Thumb
- Weather forecast for Thumb — check wind, rain, and temperature before you go
- GPS: 48.2907°N, 92.1829°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.