Thornton
Aitkin County, Minnesota — DOW #01017400
85 Surveys
161.3
Acres
21 ft
Max Depth
7 ft
Mean Depth
7
Fish Species
3
Local Guides
DNR Fish Surveys
Catch-per-unit-effort (CPUE) data from Minnesota DNR fish population assessments on Thornton. Green = above normal range. Red = below normal.
Black Bullhead
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1979-08-06 | Standard trap nets | 0.4 (below normal) | 1.1 – 17.4 | 0.38 lb | 2 |
| 1994-08-01 | Standard trap nets | 0.2 (below normal) | 1.1 – 17.4 | 0.35 lb | 2 |
| 1994-08-01 | Standard gill nets | 2.8 (normal) | 1.9 – 57.5 | 0.38 lb | 11 |
| 1999-08-02 | Standard trap nets | 0.3 (below normal) | 1.1 – 17.4 | 0.53 lb | 3 |
| 1999-08-02 | Standard gill nets | 1.5 (below normal) | 1.9 – 57.5 | 0.49 lb | 6 |
Brown Bullhead
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1979-08-06 | Standard trap nets | 15.4 (above normal) | 1.5 – 9.8 | 0.14 lb | 77 |
| 1979-08-06 | Standard gill nets | 38.5 (above normal) | 1.5 – 9.9 | 0.14 lb | 77 |
| 1994-08-01 | Standard trap nets | 3.2 (normal) | 1.5 – 9.8 | 0.36 lb | 29 |
| 1994-08-01 | Standard gill nets | 2.5 (normal) | 1.5 – 9.9 | 0.30 lb | 10 |
| 1999-08-02 | Standard trap nets | 0.3 (below normal) | 1.5 – 9.8 | 0.42 lb | 3 |
| 1999-08-02 | Standard gill nets | 0.5 (below normal) | 1.5 – 9.9 | 0.57 lb | 2 |
Yellow Perch
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1979-08-06 | Standard trap nets | 0.4 (below normal) | 0.8 – 4.5 | 0.25 lb | 2 |
| 1979-08-06 | Standard gill nets | 1.0 (below normal) | 8.0 – 40.3 | 0.20 lb | 2 |
| 1994-08-01 | Survey seining | 0.3 | — | — | 1 |
| 1994-08-01 | Standard gill nets | 0.3 (below normal) | 8.0 – 40.3 | 0.08 lb | 1 |
| 1999-08-02 | Survey seining | 0.3 | — | 0.05 lb | 1 |
Yellow Bullhead
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1979-08-06 | Standard gill nets | 0.5 (below normal) | 0.6 – 5.0 | 0.10 lb | 1 |
| 1979-08-06 | Standard trap nets | 2.4 (normal) | 1.8 – 7.2 | 0.31 lb | 12 |
| 1994-08-01 | Standard gill nets | 2.5 (normal) | 0.6 – 5.0 | 0.24 lb | 10 |
| 1994-08-01 | Standard trap nets | 3.3 (normal) | 1.8 – 7.2 | 0.47 lb | 30 |
| 1999-08-02 | Standard gill nets | 15.5 (above normal) | 0.6 – 5.0 | 0.45 lb | 62 |
| 1999-08-02 | Standard trap nets | 7.4 (above normal) | 1.8 – 7.2 | 0.61 lb | 67 |
| 2009-08-10 | Standard gill nets | 13.8 (above normal) | 0.6 – 5.0 | 0.38 lb | 55 |
| 2009-08-10 | Standard trap nets | 4.2 (normal) | 1.8 – 7.2 | 0.75 lb | 38 |
Northern Pike
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1979-08-06 | Standard gill nets | 3.0 (below normal) | 4.6 – 11.6 | 1.62 lb | 6 |
| 1979-08-06 | Standard trap nets | 0.6 | — | 1.58 lb | 3 |
| 1994-08-01 | Standard gill nets | 14.0 (above normal) | 4.6 – 11.6 | 1.40 lb | 56 |
| 1994-08-01 | Standard trap nets | 2.1 | — | 1.18 lb | 19 |
| 1994-08-01 | Survey seining | 0.3 | — | — | 1 |
| 1999-08-02 | Standard gill nets | 8.3 (normal) | 4.6 – 11.6 | 2.30 lb | 33 |
| 1999-08-02 | Standard trap nets | 0.6 | — | 2.12 lb | 5 |
| 2009-08-10 | Standard gill nets | 10.3 (normal) | 4.6 – 11.6 | 1.51 lb | 41 |
| 2009-08-10 | Standard trap nets | 0.3 | — | 1.85 lb | 3 |
Bluegill
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1979-08-06 | Standard gill nets | 3.0 | — | 0.27 lb | 6 |
| 1979-08-06 | Standard trap nets | 24.8 (normal) | 2.5 – 25.0 | 0.11 lb | 124 |
| 1994-08-01 | Survey seining | 25.0 | — | — | 75 |
| 1994-08-01 | Standard gill nets | 25.3 | — | 0.08 lb | 101 |
| 1994-08-01 | Standard trap nets | 52.6 (above normal) | 2.5 – 25.0 | 0.06 lb | 473 |
| 1999-08-02 | Survey seining | 15.3 | — | 0.05 lb | 61 |
| 1999-08-02 | Standard gill nets | 17.3 | — | 0.07 lb | 69 |
| 1999-08-02 | Standard trap nets | 27.7 (above normal) | 2.5 – 25.0 | 0.07 lb | 249 |
| 2009-08-10 | Standard trap nets | 4.9 (normal) | 2.5 – 25.0 | 0.07 lb | 44 |
| 2009-08-10 | Standard gill nets | 5.3 | — | 0.08 lb | 21 |
Pumpkinseed
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1979-08-06 | Standard gill nets | 2.0 | — | 0.10 lb | 4 |
| 1979-08-06 | Standard trap nets | 12.0 (above normal) | 1.4 – 8.6 | 0.07 lb | 60 |
| 1994-08-01 | Survey seining | 1.3 | — | — | 4 |
| 1994-08-01 | Standard gill nets | 1.8 | — | 0.06 lb | 7 |
| 1994-08-01 | Standard trap nets | 4.6 (normal) | 1.4 – 8.6 | 0.11 lb | 41 |
| 1999-08-02 | Standard gill nets | 0.8 | — | 0.09 lb | 3 |
| 1999-08-02 | Standard trap nets | 0.6 (below normal) | 1.4 – 8.6 | 0.13 lb | 5 |
| 2009-08-10 | Standard gill nets | 0.5 | — | 0.03 lb | 2 |
| 2009-08-10 | Standard trap nets | 0.1 (below normal) | 1.4 – 8.6 | 0.05 lb | 1 |
White Sucker
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1979-08-06 | Standard gill nets | 1.5 (normal) | 1.0 – 5.5 | 1.17 lb | 3 |
| 1979-08-06 | Standard trap nets | 0.8 (normal) | 0.4 – 1.5 | 1.56 lb | 4 |
| 1994-08-01 | Standard gill nets | 0.3 (below normal) | 1.0 – 5.5 | 2.48 lb | 1 |
| 1994-08-01 | Standard trap nets | 0.1 (below normal) | 0.4 – 1.5 | 2.48 lb | 1 |
| 1999-08-02 | Standard gill nets | 0.3 (below normal) | 1.0 – 5.5 | 3.25 lb | 1 |
| 1999-08-02 | Standard trap nets | 0.2 (below normal) | 0.4 – 1.5 | 2.81 lb | 2 |
Black Crappie
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1979-08-06 | Standard gill nets | 37.0 (above normal) | 1.0 – 7.3 | 0.13 lb | 74 |
| 1979-08-06 | Standard trap nets | 2.6 (normal) | 0.8 – 6.5 | 0.15 lb | 13 |
| 1994-08-01 | Standard gill nets | 3.8 (normal) | 1.0 – 7.3 | 0.61 lb | 15 |
| 1994-08-01 | Standard trap nets | 0.6 (below normal) | 0.8 – 6.5 | 0.48 lb | 5 |
| 1999-08-02 | Standard gill nets | 8.8 (above normal) | 1.0 – 7.3 | 0.14 lb | 35 |
| 1999-08-02 | Standard trap nets | 0.9 (normal) | 0.8 – 6.5 | 0.27 lb | 8 |
| 2009-08-10 | Standard gill nets | 1.5 (normal) | 1.0 – 7.3 | 0.44 lb | 6 |
| 2009-08-10 | Standard trap nets | 0.1 (below normal) | 0.8 – 6.5 | 0.49 lb | 1 |
Largemouth Bass
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1979-08-06 | Standard trap nets | 0.2 (below normal) | 0.3 – 0.9 | 0.50 lb | 1 |
| 1994-08-01 | Survey seining | 9.7 | — | — | 29 |
| 1994-08-01 | Standard gill nets | 1.3 (normal) | 0.3 – 1.3 | 1.60 lb | 5 |
| 1994-08-01 | Standard trap nets | 0.8 (normal) | 0.3 – 0.9 | 1.17 lb | 7 |
| 1999-08-02 | Survey seining | 3.3 | — | — | 13 |
| 1999-08-02 | Standard gill nets | 4.5 (above normal) | 0.3 – 1.3 | 1.23 lb | 18 |
| 1999-08-02 | Standard trap nets | 0.8 (normal) | 0.3 – 0.9 | 1.31 lb | 7 |
| 2009-08-10 | Standard trap nets | 0.4 (normal) | 0.3 – 0.9 | 2.16 lb | 4 |
| 2009-08-10 | Standard gill nets | 2.5 (above normal) | 0.3 – 1.3 | 1.45 lb | 10 |
Bowfin
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1979-08-06 | Standard trap nets | 0.6 (normal) | 0.5 – 1.7 | 3.08 lb | 3 |
Hybrid Sunfish
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1994-08-01 | Survey seining | 2.3 | — | — | 7 |
| 1994-08-01 | Standard gill nets | 0.3 | — | 0.04 lb | 1 |
| 1994-08-01 | Standard trap nets | 2.8 | — | 0.12 lb | 25 |
| 1999-08-02 | Survey seining | 0.3 | — | 0.14 lb | 1 |
| 1999-08-02 | Standard gill nets | 0.8 | — | 0.12 lb | 3 |
| 1999-08-02 | Standard trap nets | 5.2 | — | 0.22 lb | 47 |
| 2009-08-10 | Standard trap nets | 2.8 | — | 0.26 lb | 25 |
| 2009-08-10 | Standard gill nets | 0.8 | — | 0.35 lb | 3 |
Iowa Darter
| Date | Gear | CPUE | Normal Range | Total Catch |
|---|---|---|---|---|
| 1994-08-01 | Survey seining | 0.7 | — | 2 |
Depth Maps & Lake Info
Map & Directions
Get DirectionsShowing 14 nearby bait & tackle shops on the map.
Nearby Bait & Tackle
Aitkin Backwoods Farm Supply LLC
Aitkin, MN
★ 4.9Bill's Sportsmans Service
Aitkin, MN
★ 4.8Farm Island Store
Aitkin, MN
★ 4.7Farm Island Store & Off Sale
Aitkin, MN
★ 4.7Glen Store
Aitkin, MN
★ 4.6McGregor Oil
McGregor, MN
★ 4.6Sather's Gateway Store
McGregor, MN
★ 4.4Sue’s Bait shop
Aitkin, MN
★ 4.5Nearby Marinas
Resorts & Lodges Near Thornton
Plan your stay — fishing resorts and lodges near Thornton.
Fish Species
Species known to inhabit Thornton. Click any species for a full fishing guide.
Fishing Guides Near Thornton
Other Lakes in Aitkin County
Plan Your Trip to Thornton
- Weather forecast for Thornton — check wind, rain, and temperature before you go
- GPS: 46.4550°N, 93.7977°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.