Flour
Cook County, Minnesota — DOW #16014700
Special Regulations for Flour
This lake has regulations that differ from statewide defaults. Always check before fishing.
- All from 14-20" must be immediately released. One over 20" allowed in possession.
Invasive Species Alert
Flour has confirmed populations of:
- spiny waterflea
Clean, drain, and dry all equipment before moving to another water body. It's the law in Minnesota.
DNR Fish Surveys
Catch-per-unit-effort (CPUE) data from Minnesota DNR fish population assessments on Flour. Green = above normal range. Red = below normal.
Lake Trout
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 2008-07-07 | Deep gill nets | 0.8 | — | 1.86 lb | 5 |
| 2004-07-19 | Deep gill nets | 1.7 | — | 2.59 lb | 10 |
| 2016-07-11 | Deep gill nets | 0.3 | — | 0.13 lb | 2 |
Walleye
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 2008-07-07 | Deep gill nets | 0.2 | — | 6.50 lb | 1 |
| 2008-07-07 | Shallow gill nets | 2.3 | — | 0.83 lb | 14 |
| 1985-07-24 | Standard gill nets | 3.0 (normal) | 1.2 – 5.2 | 1.03 lb | 45 |
| 1985-07-24 | Standard trap nets | 0.2 (below normal) | 0.2 – 0.8 | 0.50 lb | 1 |
| 1991-07-15 | Standard gill nets | 1.3 (normal) | 1.2 – 5.2 | 0.57 lb | 12 |
| 1991-07-15 | Standard trap nets | 0.4 (normal) | 0.2 – 0.8 | 1.92 lb | 6 |
| 2004-07-19 | Shallow gill nets | 0.5 | — | 4.12 lb | 3 |
| 2004-07-19 | Standard trap nets | 0.3 (normal) | 0.2 – 0.8 | 3.74 lb | 4 |
| 1981-08-24 | Standard gill nets | 3.3 (normal) | 1.2 – 5.2 | 1.04 lb | 40 |
| 1981-08-24 | Standard trap nets | 0.1 (below normal) | 0.2 – 0.8 | 0.90 lb | 1 |
| 2016-07-11 | Shallow gill nets | 1.7 | — | 1.74 lb | 10 |
| 2016-07-11 | Standard trap nets | 0.2 (below normal) | 0.2 – 0.8 | 4.34 lb | 2 |
| 2016-07-11 | Deep gill nets | 0.2 | — | 5.60 lb | 1 |
| 2023-07-17 | Deep gill nets | 1.0 | — | 3.85 lb | 3 |
| 2023-07-17 | 1/4-in trap nets | 0.2 | — | 0.33 lb | 2 |
| 2023-07-17 | Shallow gill nets | 4.3 | — | 2.41 lb | 26 |
| 2023-07-17 | Standard trap nets | 0.4 (normal) | 0.2 – 0.8 | 2.03 lb | 5 |
| 1982-07-14 | Standard gill nets | 3.0 (normal) | 1.2 – 5.2 | 0.22 lb | 18 |
| 1988-07-12 | Standard gill nets | 0.3 (below normal) | 1.2 – 5.2 | 4.17 lb | 3 |
Yellow Perch
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 2008-07-07 | 1/4-in trap nets | 1.3 | — | 0.01 lb | 15 |
| 2008-07-07 | Shallow gill nets | 1.0 | — | 0.13 lb | 6 |
| 1985-07-24 | Standard trap nets | 2.3 (above normal) | 0.4 – 1.2 | 0.11 lb | 14 |
| 1985-07-24 | Standard gill nets | 3.5 (normal) | 0.4 – 3.7 | 0.23 lb | 53 |
| 1991-07-15 | Standard trap nets | 0.1 (below normal) | 0.4 – 1.2 | 0.38 lb | 2 |
| 1991-07-15 | Standard gill nets | 0.7 (normal) | 0.4 – 3.7 | 0.12 lb | 6 |
| 2004-07-19 | Shallow gill nets | 1.0 | — | 0.09 lb | 6 |
| 2004-07-19 | Standard trap nets | 0.1 (below normal) | 0.4 – 1.2 | 0.07 lb | 2 |
| 1981-08-24 | Standard trap nets | 1.7 (above normal) | 0.4 – 1.2 | 0.14 lb | 20 |
| 1981-08-24 | Standard gill nets | 4.9 (above normal) | 0.4 – 3.7 | — | 59 |
| 2016-07-11 | 1/4-in trap nets | 3.6 | — | 0.03 lb | 43 |
| 2016-07-11 | Shallow gill nets | 2.2 | — | 0.10 lb | 13 |
| 2023-07-17 | 1/4-in trap nets | 4.6 | — | 0.01 lb | 46 |
| 2023-07-17 | Shallow gill nets | 0.7 | — | 0.15 lb | 4 |
| 2023-07-17 | Standard trap nets | 0.8 (normal) | 0.4 – 1.2 | 0.10 lb | 9 |
| 1982-07-14 | Standard gill nets | 1.2 (normal) | 0.4 – 3.7 | 0.39 lb | 7 |
| 1988-07-12 | Standard trap nets | 1.8 (above normal) | 0.4 – 1.2 | 0.15 lb | 27 |
| 1988-07-12 | Standard gill nets | 1.6 (normal) | 0.4 – 3.7 | 0.16 lb | 14 |
Tullibee (Cisco)
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 2008-07-07 | Shallow gill nets | 4.5 | — | 1.57 lb | 27 |
| 2008-07-07 | Deep gill nets | 20.3 | — | 1.48 lb | 122 |
| 1985-07-24 | Standard gill nets | 3.2 (normal) | 3.2 – 20.2 | 1.00 lb | 48 |
| 1991-07-15 | Standard gill nets | 12.4 (normal) | 3.2 – 20.2 | 1.03 lb | 112 |
| 2004-07-19 | Shallow gill nets | 3.0 | — | 1.15 lb | 18 |
| 2004-07-19 | Deep gill nets | 19.7 | — | 1.10 lb | 118 |
| 1981-08-24 | Standard gill nets | 13.4 (normal) | 3.2 – 20.2 | 0.99 lb | 161 |
| 2023-07-17 | Shallow gill nets | 5.7 | — | 1.47 lb | 34 |
| 2023-07-17 | Deep gill nets | 29.0 | — | 1.21 lb | 87 |
| 1982-07-14 | Standard gill nets | 7.2 (normal) | 3.2 – 20.2 | 1.25 lb | 43 |
| 1988-07-12 | Standard gill nets | 23.4 (above normal) | 3.2 – 20.2 | 0.55 lb | 211 |
Northern Pike
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 2008-07-07 | Shallow gill nets | 0.2 | — | 5.18 lb | 1 |
| 1985-07-24 | Standard gill nets | 0.8 (normal) | 0.6 – 2.4 | 2.55 lb | 12 |
| 1985-07-24 | Standard trap nets | 0.5 | — | 1.33 lb | 3 |
| 1991-07-15 | Standard gill nets | 0.2 (below normal) | 0.6 – 2.4 | 7.00 lb | 2 |
| 1981-08-24 | Standard gill nets | 0.2 (below normal) | 0.6 – 2.4 | 5.05 lb | 2 |
| 2016-07-11 | Standard trap nets | 0.2 | — | 4.78 lb | 2 |
| 2016-07-11 | Deep gill nets | 0.2 | — | 9.92 lb | 1 |
| 2016-07-11 | Shallow gill nets | 0.2 | — | 9.92 lb | 1 |
| 2023-07-17 | Shallow gill nets | 0.3 | — | 9.46 lb | 2 |
| 1988-07-12 | Standard gill nets | 0.4 (below normal) | 0.6 – 2.4 | 3.12 lb | 4 |
| 1988-07-12 | Standard trap nets | 0.1 | — | 4.50 lb | 1 |
White Sucker
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 2008-07-07 | Shallow gill nets | 0.7 | — | 3.00 lb | 4 |
| 1985-07-24 | Standard gill nets | 0.1 (below normal) | 0.8 – 5.3 | 1.75 lb | 2 |
| 1991-07-15 | Standard gill nets | 0.2 (below normal) | 0.8 – 5.3 | 1.50 lb | 2 |
| 1991-07-15 | Standard trap nets | 0.1 (normal) | 0.1 – 1.0 | 1.12 lb | 2 |
| 2004-07-19 | Shallow gill nets | 1.5 | — | 4.53 lb | 9 |
| 2004-07-19 | Standard trap nets | 0.1 (below normal) | 0.1 – 1.0 | 2.43 lb | 1 |
| 1981-08-24 | Standard gill nets | 0.3 (below normal) | 0.8 – 5.3 | 1.75 lb | 4 |
| 2016-07-11 | Shallow gill nets | 0.5 | — | 3.20 lb | 3 |
| 1988-07-12 | Standard gill nets | 0.1 (below normal) | 0.8 – 5.3 | 1.25 lb | 1 |
Smallmouth Bass
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 2008-07-07 | Shallow gill nets | 1.0 | — | 2.33 lb | 6 |
| 1985-07-24 | Standard gill nets | 0.6 (normal) | 0.3 – 1.4 | 1.02 lb | 9 |
| 1991-07-15 | Standard gill nets | 1.4 (above normal) | 0.3 – 1.4 | 0.66 lb | 13 |
| 1991-07-15 | Standard trap nets | 0.9 (normal) | 0.1 – 1.3 | 0.34 lb | 14 |
| 2004-07-19 | Shallow gill nets | 1.5 | — | 0.57 lb | 9 |
| 2004-07-19 | Standard trap nets | 0.1 (normal) | 0.1 – 1.3 | 0.09 lb | 2 |
| 1981-08-24 | Standard gill nets | 1.6 (above normal) | 0.3 – 1.4 | 0.90 lb | 19 |
| 1981-08-24 | Standard trap nets | 0.1 (below normal) | 0.1 – 1.3 | 0.10 lb | 1 |
| 2016-07-11 | Shallow gill nets | 3.0 | — | 0.81 lb | 18 |
| 2016-07-11 | Standard trap nets | 0.1 (below normal) | 0.1 – 1.3 | 0.04 lb | 1 |
| 2016-07-11 | 1/4-in trap nets | 0.3 | — | 0.11 lb | 3 |
| 2023-07-17 | 1/4-in trap nets | 0.9 | — | 0.01 lb | 9 |
| 2023-07-17 | Shallow gill nets | 3.8 | — | 1.43 lb | 23 |
| 2023-07-17 | Standard trap nets | 0.2 (normal) | 0.1 – 1.3 | 0.35 lb | 2 |
| 1988-07-12 | Standard gill nets | 0.6 (normal) | 0.3 – 1.4 | 1.23 lb | 5 |
| 1988-07-12 | Standard trap nets | 1.0 (normal) | 0.1 – 1.3 | 0.12 lb | 15 |
Green Sunfish
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 2008-07-07 | 1/4-in trap nets | 1.1 | — | 0.04 lb | 13 |
| 2008-07-07 | Shallow gill nets | 0.8 | — | 0.06 lb | 5 |
| 1991-07-15 | Standard trap nets | 0.2 (below normal) | 0.3 – 2.8 | 0.13 lb | 3 |
| 1991-07-15 | Standard gill nets | 0.3 (normal) | 0.2 – 0.9 | 0.10 lb | 3 |
| 2004-07-19 | Standard trap nets | 0.3 (below normal) | 0.3 – 2.8 | 0.02 lb | 4 |
| 2004-07-19 | Shallow gill nets | 2.0 | — | 0.03 lb | 12 |
| 1981-08-24 | Standard trap nets | 0.2 (below normal) | 0.3 – 2.8 | 0.10 lb | 2 |
| 1981-08-24 | Standard gill nets | 0.2 (below normal) | 0.2 – 0.9 | — | 2 |
| 2016-07-11 | Standard trap nets | 0.8 (normal) | 0.3 – 2.8 | 0.07 lb | 9 |
| 2016-07-11 | 1/4-in trap nets | 5.3 | — | 0.01 lb | 63 |
| 2016-07-11 | Shallow gill nets | 0.8 | — | 0.04 lb | 5 |
| 2023-07-17 | Standard trap nets | 0.5 (normal) | 0.3 – 2.8 | 0.05 lb | 6 |
| 2023-07-17 | 1/4-in trap nets | 9.6 | — | 0.01 lb | 96 |
| 2023-07-17 | Shallow gill nets | 0.3 | — | 0.06 lb | 2 |
| 1982-07-14 | Standard gill nets | 0.2 (below normal) | 0.2 – 0.9 | 0.10 lb | 1 |
| 1988-07-12 | Standard trap nets | 0.1 (below normal) | 0.3 – 2.8 | 0.25 lb | 2 |
CIS
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 2016-07-11 | Deep gill nets | 17.2 | — | 1.44 lb | 103 |
| 2016-07-11 | Shallow gill nets | 0.5 | — | 1.42 lb | 3 |
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 Flour
Plan your stay — fishing resorts and lodges near Flour.
Fish Species
Species known to inhabit Flour. Click any species for a full fishing guide.
Fishing Guides Near Flour
Other Lakes in Cook County
Plan Your Trip to Flour
- Weather forecast for Flour — check wind, rain, and temperature before you go
- GPS: 48.0523°N, 90.3873°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.