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

View on MN DNR LakeFinder

Map & Directions

Get Directions

Showing 14 nearby bait & tackle shops on the map.

Nearby Bait & Tackle

Nearby Marinas

Resorts & Lodges Near Thornton

Plan your stay — fishing resorts and lodges near Thornton.

View all 888 Minnesota resorts →

Fish Species

Species known to inhabit Thornton. Click any species for a full fishing guide.

Black CrappieBluegillHybrid SunfishLargemouth BassNorthern PikePumpkinseedYellow Bullhead

Fishing Guides Near Thornton

Other Lakes in Aitkin County

Plan Your Trip to Thornton

Data sourced from Minnesota DNR Division of Fish and Wildlife. Last verified: March 19, 2026. Learn how we maintain this data.