Cooper
Cass County, Minnesota — DOW #11016300
34 Surveys
132.53
Acres
70 ft
Max Depth
12
Fish Species
25
Local Guides
DNR Fish Surveys
Catch-per-unit-effort (CPUE) data from Minnesota DNR fish population assessments on Cooper. Green = above normal range. Red = below normal.
Yellow Perch
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1987-07-06 | Standard trap nets | 1.7 (above normal) | 0.3 – 1.2 | 0.16 lb | 5 |
| 1987-07-06 | Standard gill nets | 8.3 (normal) | 1.0 – 10.3 | 0.12 lb | 25 |
| 1973-07-09 | Standard trap nets | 2.3 (above normal) | 0.3 – 1.2 | 0.14 lb | 18 |
| 1973-07-09 | Standard gill nets | 7.3 (normal) | 1.0 – 10.3 | 0.11 lb | 22 |
Yellow Bullhead
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1987-07-06 | Standard gill nets | 1.0 (below normal) | 2.1 – 15.8 | 0.43 lb | 3 |
| 1987-07-06 | Standard trap nets | 0.3 (below normal) | 2.7 – 13.5 | 0.30 lb | 1 |
| 1973-07-09 | Standard trap nets | 3.0 (normal) | 2.7 – 13.5 | 0.67 lb | 24 |
Northern Pike
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1987-07-06 | Standard gill nets | 5.3 (normal) | 3.5 – 8.9 | 3.16 lb | 16 |
| 1973-07-09 | Standard gill nets | 2.3 (below normal) | 3.5 – 8.9 | 3.33 lb | 7 |
| 1973-07-09 | Standard trap nets | 0.3 | — | 3.85 lb | 2 |
Rock Bass
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1987-07-06 | Standard gill nets | 3.0 (above normal) | 0.5 – 1.7 | 0.29 lb | 9 |
| 1987-07-06 | Standard trap nets | 2.0 (above normal) | 0.4 – 1.7 | 0.22 lb | 6 |
| 1973-07-09 | Standard trap nets | 7.5 (above normal) | 0.4 – 1.7 | 0.20 lb | 60 |
Walleye
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1987-07-06 | Standard gill nets | 0.3 (below normal) | 0.5 – 2.3 | 7.00 lb | 1 |
Hybrid Sunfish
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1987-07-06 | Standard trap nets | 1.0 | — | 0.37 lb | 3 |
Largemouth Bass
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1987-07-06 | Standard gill nets | 1.3 (normal) | 0.4 – 1.6 | 0.93 lb | 4 |
| 1987-07-06 | Standard trap nets | 1.0 (normal) | 0.3 – 1.4 | 0.83 lb | 3 |
| 1973-07-09 | Standard trap nets | 1.6 (above normal) | 0.3 – 1.4 | 0.15 lb | 13 |
| 1973-07-09 | Standard gill nets | 0.3 (below normal) | 0.4 – 1.6 | 0.20 lb | 1 |
Bluegill
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1987-07-06 | Standard gill nets | 12.7 | — | 0.09 lb | 38 |
| 1987-07-06 | Standard trap nets | 40.0 (normal) | 9.5 – 57.3 | 0.14 lb | 120 |
| 1973-07-09 | Standard trap nets | 70.4 (above normal) | 9.5 – 57.3 | 0.13 lb | 563 |
Pumpkinseed
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1987-07-06 | Standard gill nets | 10.0 | — | 0.15 lb | 30 |
| 1987-07-06 | Standard trap nets | 10.7 (above normal) | 1.5 – 6.8 | 0.15 lb | 32 |
| 1973-07-09 | Standard trap nets | 36.3 (above normal) | 1.5 – 6.8 | 0.15 lb | 290 |
Bowfin
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1987-07-06 | Standard gill nets | 0.3 (normal) | 0.3 – 1.0 | 2.00 lb | 1 |
Tullibee (Cisco)
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1987-07-06 | Standard gill nets | 10.0 (normal) | 2.3 – 10.0 | 0.39 lb | 30 |
| 1973-07-09 | Standard gill nets | 24.7 (above normal) | 2.3 – 10.0 | 0.76 lb | 74 |
Black Bullhead
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1987-07-06 | Standard gill nets | 0.7 (normal) | 0.4 – 3.1 | 0.60 lb | 2 |
Brown Bullhead
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1987-07-06 | Standard gill nets | 0.3 (below normal) | 0.4 – 2.5 | 0.50 lb | 1 |
| 1973-07-09 | Standard trap nets | 1.8 (normal) | 0.6 – 2.6 | 0.65 lb | 14 |
Black Crappie
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1973-07-09 | Standard gill nets | 0.3 (below normal) | 1.0 – 3.9 | 0.30 lb | 1 |
| 1973-07-09 | Standard trap nets | 2.6 (normal) | 0.8 – 4.0 | 0.73 lb | 21 |
White Sucker
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1973-07-09 | Standard gill nets | 0.7 (normal) | 0.3 – 1.7 | 1.45 lb | 2 |
Depth Maps & Lake Info
Map & Directions
Get DirectionsShowing 14 nearby bait & tackle shops on the map.
Nearby Bait & Tackle
Beimert Outdoors
Brainerd, MN
★ 5Big Nasty Tackle
Cass Lake, MN
★ 3.1Chad Zbasnik Fishing
Walker, MN
Corner Store Depot & Liquor
Brainerd, MN
★ 4.7Dean's Bait, Walker
Walker, MN
★ 4.8Full Stringer Bait and Tackle
Longville, MN
★ 4.8Lakes Area Powersports
Walker, MN
★ 4.6Leech Lake Distributors
Walker, MN
Nearby Marinas
Resorts & Lodges Near Cooper
Plan your stay — fishing resorts and lodges near Cooper.
Fish Species
Species known to inhabit Cooper. Click any species for a full fishing guide.
Fishing Guides Near Cooper
Other Lakes in Cass County
Plan Your Trip to Cooper
- Weather forecast for Cooper — check wind, rain, and temperature before you go
- GPS: 46.9657°N, 94.1993°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.