Diamond
Cass County, Minnesota — DOW #11039600
69 Surveys
76.97
Acres
31 ft
Max Depth
2
Fish Species
25
Local Guides
DNR Fish Surveys
Catch-per-unit-effort (CPUE) data from Minnesota DNR fish population assessments on Diamond. Green = above normal range. Red = below normal.
Brown Bullhead
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1987-06-22 | Standard trap nets | 2.0 (normal) | 0.5 – 3.3 | 0.17 lb | 6 |
| 1991-06-05 | Standard gill nets | 6.0 (above normal) | 0.5 – 4.3 | 0.17 lb | 12 |
Rainbow Trout
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1987-06-22 | Standard gill nets | 18.0 | — | 0.49 lb | 36 |
| 1991-06-05 | Standard gill nets | 34.5 | — | 0.20 lb | 69 |
| 2003-06-04 | Standard gill nets | 23.0 | — | 0.71 lb | 46 |
| 2003-06-04 | 3/8-in trap nets | 2.5 | — | 0.16 lb | 5 |
| 2003-06-04 | 1/4-in trap nets | 4.5 | — | 0.22 lb | 9 |
| 2004-06-03 | Standard gill nets | 9.0 | — | 1.10 lb | 18 |
| 2004-06-03 | 1/4-in trap nets | 1.7 | — | 0.41 lb | 5 |
| 2004-06-03 | Standard trap nets | 2.0 | — | 0.61 lb | 6 |
| 2005-06-06 | Standard gill nets | 11.0 | — | 0.68 lb | 22 |
| 2005-06-06 | 3/8-in trap nets | 0.5 | — | 0.18 lb | 1 |
| 2005-06-06 | 1/4-in trap nets | 1.0 | — | 0.18 lb | 2 |
| 1978-06-27 | Standard gill nets | 0.3 | — | 2.20 lb | 2 |
| 2000-06-07 | Standard gill nets | 22.8 | — | 0.44 lb | 91 |
| 2013-08-26 | Standard gill nets | 22.5 | — | 0.65 lb | 45 |
| 2014-08-07 | Standard gill nets | 33.0 | — | 0.53 lb | 66 |
| 2002-06-11 | Standard gill nets | 32.5 | — | 0.76 lb | 65 |
| 2002-06-11 | 1/4-in trap nets | 0.3 | — | 0.22 lb | 1 |
| 2002-06-11 | Standard trap nets | 2.0 | — | 0.23 lb | 6 |
Black Bullhead
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1987-06-22 | Standard gill nets | 51.5 (above normal) | 1.0 – 16.5 | 0.10 lb | 103 |
| 1987-06-22 | Standard trap nets | 110.3 (above normal) | 0.5 – 5.7 | 0.06 lb | 331 |
| 1978-06-27 | Standard gill nets | 6.2 (normal) | 1.0 – 16.5 | 0.07 lb | 37 |
| 1978-06-27 | Standard trap nets | 11.4 (above normal) | 0.5 – 5.7 | 0.16 lb | 137 |
| 2013-08-26 | Standard gill nets | 35.0 (above normal) | 1.0 – 16.5 | 0.22 lb | 70 |
| 2014-08-07 | Standard gill nets | 1.0 (normal) | 1.0 – 16.5 | 0.38 lb | 2 |
Muskellunge
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1987-06-22 | Standard gill nets | 1.0 (normal) | 0.3 – 1.5 | 8.25 lb | 2 |
| 1991-06-05 | Standard gill nets | 1.5 (normal) | 0.3 – 1.5 | 6.10 lb | 3 |
| 1978-06-27 | Standard gill nets | 0.3 (normal) | 0.3 – 1.5 | 5.40 lb | 2 |
Walleye
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1991-06-05 | Standard gill nets | 0.5 (normal) | 0.5 – 3.0 | 4.80 lb | 1 |
Fathead Minnow
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 2003-06-04 | 3/8-in trap nets | 7.0 | — | — | 14 |
| 2003-06-04 | 1/4-in trap nets | 82.0 | — | — | 164 |
| 2004-06-03 | 1/4-in trap nets | 129.0 | — | 0.01 lb | 387 |
| 2005-06-06 | 3/8-in trap nets | 114.5 | — | 0.01 lb | 229 |
| 2005-06-06 | 1/4-in trap nets | 741.5 | — | 0.01 lb | 1483 |
| 2013-08-26 | 3/8-in trap nets | 400.0 | — | — | 800 |
| 2013-08-26 | 1/4-in trap nets | 952.0 | — | — | 1904 |
| 2014-08-07 | 3/8-in trap nets | 50.5 | — | — | 101 |
| 2014-08-07 | 1/4-in trap nets | 1035.0 | — | — | 2070 |
| 2002-06-11 | 1/4-in trap nets | 3.0 | — | — | 9 |
BST
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 2003-06-04 | 3/8-in trap nets | 1.0 | — | — | 2 |
| 2003-06-04 | 1/4-in trap nets | 42.5 | — | — | 85 |
| 2004-06-03 | 1/4-in trap nets | 10.0 | — | 0.01 lb | 30 |
| 2005-06-06 | 1/4-in trap nets | 67.5 | — | 0.01 lb | 135 |
| 2013-08-26 | 1/4-in trap nets | 113.0 | — | — | 226 |
| 2013-08-26 | 3/8-in trap nets | 3.0 | — | — | 6 |
| 2014-08-07 | 1/4-in trap nets | 15.0 | — | — | 30 |
| 2014-08-07 | 3/8-in trap nets | 0.5 | — | — | 1 |
| 2002-06-11 | 1/4-in trap nets | 0.3 | — | — | 1 |
FND
| Date | Gear | CPUE | Normal Range | Total Catch |
|---|---|---|---|---|
| 2003-06-04 | 3/8-in trap nets | 4.5 | — | 9 |
| 2003-06-04 | 1/4-in trap nets | 236.0 | — | 472 |
| 2013-08-26 | 1/4-in trap nets | 486.5 | — | 973 |
| 2013-08-26 | 3/8-in trap nets | 28.5 | — | 57 |
| 2014-08-07 | 1/4-in trap nets | 575.0 | — | 1150 |
| 2014-08-07 | 3/8-in trap nets | 9.0 | — | 18 |
Black Crappie
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 2004-06-03 | Standard gill nets | 3.5 (normal) | 1.0 – 4.8 | 0.05 lb | 7 |
| 2004-06-03 | 1/4-in trap nets | 29.7 | — | 0.02 lb | 89 |
| 2004-06-03 | Standard trap nets | 11.7 (above normal) | 0.8 – 4.3 | 0.05 lb | 35 |
| 2005-06-06 | Standard gill nets | 39.5 (above normal) | 1.0 – 4.8 | 0.06 lb | 79 |
| 2005-06-06 | 3/8-in trap nets | 178.5 | — | 0.06 lb | 357 |
| 2005-06-06 | 1/4-in trap nets | 102.5 | — | 0.07 lb | 205 |
OTM
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 2004-06-03 | 1/4-in trap nets | 20.0 | — | 0.01 lb | 60 |
| 2005-06-06 | 3/8-in trap nets | 6.0 | — | 0.01 lb | 12 |
| 2005-06-06 | 1/4-in trap nets | 25.0 | — | 0.01 lb | 50 |
White Sucker
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1978-06-27 | Standard gill nets | 12.8 (above normal) | 0.5 – 2.3 | 0.18 lb | 77 |
| 1978-06-27 | Standard trap nets | 4.5 (above normal) | 0.3 – 0.8 | 0.21 lb | 54 |
Yellow Perch
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1978-06-27 | Standard trap nets | 594.8 (above normal) | 0.3 – 2.8 | 0.02 lb | 7138 |
| 1978-06-27 | Standard gill nets | 38.3 (above normal) | 2.0 – 21.5 | 0.30 lb | 230 |
Golden Shiner
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1978-06-27 | Standard trap nets | 41.0 (above normal) | 0.1 – 1.7 | 0.03 lb | 492 |
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 Diamond
Plan your stay — fishing resorts and lodges near Diamond.
Fish Species
Species known to inhabit Diamond. Click any species for a full fishing guide.
Fishing Guides Near Diamond
Other Lakes in Cass County
Plan Your Trip to Diamond
- Weather forecast for Diamond — check wind, rain, and temperature before you go
- GPS: 46.9976°N, 94.4515°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.