Big Diamond
Itasca County, Minnesota — DOW #31022300
31 Surveys
155.83
Acres
31 ft
Max Depth
11
Fish Species
9
Local Guides
DNR Fish Surveys
Catch-per-unit-effort (CPUE) data from Minnesota DNR fish population assessments on Big Diamond. Green = above normal range. Red = below normal.
Black Crappie
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1980-07-07 | Standard gill nets | 0.6 (below normal) | 1.0 – 4.8 | 0.80 lb | 3 |
| 1986-07-02 | Standard gill nets | 0.8 (below normal) | 1.0 – 4.8 | 0.40 lb | 3 |
Northern Pike
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1980-07-07 | Standard gill nets | 4.6 (below normal) | 4.8 – 12.5 | 2.14 lb | 23 |
| 1980-07-07 | Standard trap nets | 0.8 | — | 1.07 lb | 3 |
| 1986-07-02 | Standard gill nets | 8.5 (normal) | 4.8 – 12.5 | 1.64 lb | 34 |
| 1986-07-02 | Standard trap nets | 0.3 | — | 1.30 lb | 1 |
White Sucker
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1980-07-07 | Standard gill nets | 0.4 (below normal) | 0.5 – 2.3 | 1.25 lb | 2 |
| 1986-07-02 | Standard gill nets | 0.3 (below normal) | 0.5 – 2.3 | 2.00 lb | 1 |
Bowfin
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1980-07-07 | Standard trap nets | 0.5 (normal) | 0.5 – 1.5 | 3.60 lb | 2 |
| 1980-07-07 | Standard gill nets | 0.6 (normal) | 0.3 – 1.1 | 4.73 lb | 3 |
| 1986-07-02 | Standard trap nets | 0.3 (below normal) | 0.5 – 1.5 | 7.20 lb | 1 |
Bluegill
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1980-07-07 | Standard trap nets | 12.8 (normal) | 8.3 – 50.1 | 0.20 lb | 51 |
| 1980-07-07 | Standard gill nets | 3.8 | — | 0.16 lb | 19 |
| 1986-07-02 | Standard trap nets | 11.0 (normal) | 8.3 – 50.1 | 0.15 lb | 44 |
| 1986-07-02 | Standard gill nets | 4.5 | — | 0.13 lb | 18 |
Largemouth Bass
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1980-07-07 | Standard trap nets | 0.3 (below normal) | 0.3 – 1.4 | 3.40 lb | 1 |
| 1980-07-07 | Standard gill nets | 0.6 (normal) | 0.3 – 1.8 | 2.93 lb | 3 |
| 1986-07-02 | Standard gill nets | 0.5 (normal) | 0.3 – 1.8 | 1.75 lb | 2 |
Rock Bass
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1980-07-07 | Standard trap nets | 0.5 (normal) | 0.5 – 1.5 | 0.25 lb | 2 |
| 1980-07-07 | Standard gill nets | 0.2 (below normal) | 0.3 – 1.2 | 1.00 lb | 1 |
Pumpkinseed
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1980-07-07 | Standard gill nets | 2.0 | — | 0.19 lb | 10 |
| 1980-07-07 | Standard trap nets | 2.0 (below normal) | 2.8 – 10.3 | 0.17 lb | 8 |
| 1986-07-02 | Standard gill nets | 3.5 | — | 0.13 lb | 14 |
| 1986-07-02 | Standard trap nets | 1.3 (below normal) | 2.8 – 10.3 | 0.24 lb | 5 |
Yellow Bullhead
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1980-07-07 | Standard gill nets | 5.0 (normal) | 1.9 – 12.1 | 0.56 lb | 25 |
| 1980-07-07 | Standard trap nets | 1.5 (below normal) | 2.1 – 10.5 | 0.68 lb | 6 |
| 1986-07-02 | Standard gill nets | 1.5 (below normal) | 1.9 – 12.1 | 0.63 lb | 6 |
| 1986-07-02 | Standard trap nets | 3.5 (normal) | 2.1 – 10.5 | 0.66 lb | 14 |
Yellow Perch
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1980-07-07 | Standard gill nets | 0.4 (below normal) | 2.0 – 21.5 | 0.20 lb | 2 |
| 1986-07-02 | Standard gill nets | 1.0 (below normal) | 2.0 – 21.5 | 0.45 lb | 4 |
Brown Bullhead
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1986-07-02 | Standard gill nets | 0.3 (below normal) | 0.5 – 4.3 | 1.20 lb | 1 |
Depth Maps & Lake Info
Map & Directions
Get DirectionsShowing 14 nearby bait & tackle shops on the map.
Nearby Bait & Tackle
Best Bet Waxworm Wholesale Bait & Breeder Kits
Deer River, MN
★ 5Bite Me Waxworms Wholesale Bait Shop
Deer River, MN
★ 3.7Diamond Custom Rods
Grand Rapids, MN
★ 5Fred's Live Bait & Tackle
Deer River, MN
★ 4.8Frontier Sports
Marcell, MN
★ 4.6Glen's Army & Navy Store
Grand Rapids, MN
★ 4.3God's Country Outfitters
Grand Rapids, MN
★ 4.4Hollywood Bait
Coleraine, MN
★ 4.5Nearby Marinas
Resorts & Lodges Near Big Diamond
Plan your stay — fishing resorts and lodges near Big Diamond.
Fish Species
Species known to inhabit Big Diamond. Click any species for a full fishing guide.
Fishing Guides Near Big Diamond
Other Lakes in Itasca County
Plan Your Trip to Big Diamond
- Weather forecast for Big Diamond — check wind, rain, and temperature before you go
- GPS: 47.3274°N, 93.3476°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.