Swamper
Cook County, Minnesota — DOW #16012800
88 Surveys
50.65
Acres
9.5 ft
Max Depth
8
Fish Species
10
Local Guides
DNR Fish Surveys
Catch-per-unit-effort (CPUE) data from Minnesota DNR fish population assessments on Swamper. Green = above normal range. Red = below normal.
Northern Pike
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 2000-06-26 | Standard gill nets | 2.7 (below normal) | 2.8 – 8.5 | 1.41 lb | 8 |
| 2000-06-26 | Standard trap nets | 0.2 | — | 0.78 lb | 1 |
| 1979-06-19 | Standard gill nets | 7.0 (normal) | 2.8 – 8.5 | 1.56 lb | 14 |
| 1979-06-19 | Standard trap nets | 0.8 | — | 1.63 lb | 3 |
| 1996-06-27 | Standard gill nets | 3.3 (normal) | 2.8 – 8.5 | 1.83 lb | 10 |
| 1996-06-27 | Standard trap nets | 1.3 | — | 1.05 lb | 8 |
| 2014-06-09 | Standard trap nets | 1.7 | — | 2.17 lb | 10 |
| 1990-06-27 | Standard gill nets | 5.3 (normal) | 2.8 – 8.5 | 1.35 lb | 16 |
| 1990-06-27 | Standard trap nets | 2.6 | — | 0.96 lb | 13 |
| 2018-06-25 | Standard gill nets | 3.0 (normal) | 2.8 – 8.5 | 2.06 lb | 9 |
| 2018-06-25 | Standard trap nets | 1.3 | — | 2.94 lb | 8 |
| 2018-06-25 | 1/4-in trap nets | 0.3 | — | 0.38 lb | 2 |
| 2013-06-19 | Standard gill nets | 2.7 (below normal) | 2.8 – 8.5 | 1.59 lb | 8 |
| 2013-06-19 | 1/4-in trap nets | 0.2 | — | — | 1 |
| 2013-06-19 | Standard trap nets | 1.0 | — | 1.69 lb | 6 |
| 1983-07-06 | Standard gill nets | 4.0 (normal) | 2.8 – 8.5 | 0.88 lb | 4 |
| 1983-07-06 | Standard trap nets | 0.5 | — | 1.25 lb | 1 |
| 2005-06-27 | Standard gill nets | 1.0 (below normal) | 2.8 – 8.5 | 1.34 lb | 3 |
| 2005-06-27 | Standard trap nets | 0.5 | — | 1.28 lb | 3 |
White Sucker
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 2000-06-26 | Standard gill nets | 2.7 (below normal) | 4.0 – 14.5 | 2.18 lb | 8 |
| 2000-06-26 | 1/4-in trap nets | 0.2 | — | 1.89 lb | 1 |
| 2000-06-26 | Standard trap nets | 0.5 (below normal) | 1.2 – 6.1 | 2.64 lb | 3 |
| 1979-06-19 | Standard gill nets | 8.5 (normal) | 4.0 – 14.5 | 2.06 lb | 17 |
| 1979-06-19 | Standard trap nets | 2.0 (normal) | 1.2 – 6.1 | 2.30 lb | 8 |
| 1996-06-27 | Standard trap nets | 0.8 (below normal) | 1.2 – 6.1 | 2.53 lb | 5 |
| 1996-06-27 | Standard gill nets | 4.0 (normal) | 4.0 – 14.5 | 2.76 lb | 12 |
| 2014-06-09 | Standard trap nets | 0.7 (below normal) | 1.2 – 6.1 | 2.77 lb | 4 |
| 1990-06-27 | Standard gill nets | 9.0 (normal) | 4.0 – 14.5 | 2.87 lb | 27 |
| 1990-06-27 | Standard trap nets | 0.6 (below normal) | 1.2 – 6.1 | 3.46 lb | 3 |
| 2018-06-25 | Standard gill nets | 1.7 (below normal) | 4.0 – 14.5 | 2.18 lb | 5 |
| 2013-06-19 | Standard gill nets | 1.3 (below normal) | 4.0 – 14.5 | 2.59 lb | 4 |
| 2013-06-19 | 1/4-in trap nets | 0.2 | — | 2.60 lb | 1 |
| 2013-06-19 | Standard trap nets | 0.8 (below normal) | 1.2 – 6.1 | 2.36 lb | 5 |
| 1983-07-06 | Standard trap nets | 0.5 (below normal) | 1.2 – 6.1 | 2.00 lb | 1 |
| 1983-07-06 | Standard gill nets | 2.0 (below normal) | 4.0 – 14.5 | 2.38 lb | 2 |
| 2005-06-27 | Standard gill nets | 2.0 (below normal) | 4.0 – 14.5 | 2.31 lb | 6 |
| 2005-06-27 | Standard trap nets | 0.5 (below normal) | 1.2 – 6.1 | 2.04 lb | 3 |
Yellow Perch
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 2000-06-26 | Standard trap nets | 0.3 (below normal) | 1.0 – 5.9 | 0.34 lb | 2 |
| 2000-06-26 | Standard gill nets | 5.7 (normal) | 2.0 – 16.0 | 0.24 lb | 17 |
| 1979-06-19 | Standard trap nets | 0.3 (below normal) | 1.0 – 5.9 | 0.25 lb | 1 |
| 1979-06-19 | Standard gill nets | 2.5 (normal) | 2.0 – 16.0 | 0.14 lb | 5 |
| 1996-06-27 | Standard trap nets | 0.3 (below normal) | 1.0 – 5.9 | 0.54 lb | 2 |
| 1996-06-27 | Standard gill nets | 2.0 (normal) | 2.0 – 16.0 | 0.67 lb | 6 |
| 2014-06-09 | Standard trap nets | 0.2 (below normal) | 1.0 – 5.9 | 0.06 lb | 1 |
| 1990-06-27 | Standard trap nets | 1.2 (normal) | 1.0 – 5.9 | 0.11 lb | 6 |
| 1990-06-27 | Standard gill nets | 8.0 (normal) | 2.0 – 16.0 | 0.24 lb | 24 |
| 2018-06-25 | Standard trap nets | 1.7 (normal) | 1.0 – 5.9 | 0.08 lb | 10 |
| 2018-06-25 | 1/4-in trap nets | 1.5 | — | 0.01 lb | 9 |
| 2018-06-25 | Standard gill nets | 7.0 (normal) | 2.0 – 16.0 | 0.15 lb | 21 |
| 2013-06-19 | Standard trap nets | 0.2 (below normal) | 1.0 – 5.9 | 0.07 lb | 1 |
| 2013-06-19 | Standard gill nets | 0.7 (below normal) | 2.0 – 16.0 | 0.18 lb | 2 |
| 2005-06-27 | 1/4-in trap nets | 1.3 | — | 0.01 lb | 8 |
| 2005-06-27 | Standard gill nets | 3.0 (normal) | 2.0 – 16.0 | 0.12 lb | 9 |
Walleye
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 2000-06-26 | Standard gill nets | 1.3 (normal) | 1.3 – 5.0 | 1.60 lb | 4 |
| 2000-06-26 | Standard trap nets | 0.2 (below normal) | 0.3 – 1.6 | 0.79 lb | 1 |
| 1996-06-27 | Standard trap nets | 0.7 (normal) | 0.3 – 1.6 | 0.47 lb | 4 |
| 1996-06-27 | Standard gill nets | 1.3 (normal) | 1.3 – 5.0 | 0.99 lb | 4 |
| 2014-06-09 | Standard trap nets | 0.7 (normal) | 0.3 – 1.6 | 1.52 lb | 4 |
| 1990-06-27 | Standard gill nets | 3.3 (normal) | 1.3 – 5.0 | 1.19 lb | 10 |
| 1990-06-27 | Standard trap nets | 0.6 (normal) | 0.3 – 1.6 | 1.13 lb | 3 |
| 2018-06-25 | Standard gill nets | 4.7 (normal) | 1.3 – 5.0 | 1.91 lb | 14 |
| 2018-06-25 | Standard trap nets | 2.2 (above normal) | 0.3 – 1.6 | 2.16 lb | 13 |
| 2018-06-25 | 1/4-in trap nets | 0.2 | — | 2.45 lb | 1 |
| 2013-06-19 | Standard gill nets | 5.7 (above normal) | 1.3 – 5.0 | 1.32 lb | 17 |
| 2013-06-19 | 1/4-in trap nets | 0.3 | — | 4.38 lb | 2 |
| 2013-06-19 | Standard trap nets | 2.2 (above normal) | 0.3 – 1.6 | 1.68 lb | 13 |
| 2005-06-27 | Standard gill nets | 1.7 (normal) | 1.3 – 5.0 | 0.77 lb | 5 |
Pumpkinseed
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 2000-06-26 | 1/4-in trap nets | 2.0 | — | 0.01 lb | 12 |
| 1979-06-19 | Standard trap nets | 0.5 (normal) | 0.5 – 3.4 | 0.12 lb | 2 |
| 2018-06-25 | 1/4-in trap nets | 1.5 | — | 0.01 lb | 9 |
| 2018-06-25 | Standard trap nets | 0.2 (below normal) | 0.5 – 3.4 | 0.05 lb | 1 |
| 2013-06-19 | 1/4-in trap nets | 2.7 | — | 0.01 lb | 16 |
| 2013-06-19 | Standard trap nets | 0.2 (below normal) | 0.5 – 3.4 | 0.03 lb | 1 |
Rock Bass
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1979-06-19 | Standard trap nets | 1.0 (normal) | 0.3 – 1.1 | 0.33 lb | 4 |
| 1979-06-19 | Standard gill nets | 1.5 (normal) | 1.3 – 3.0 | 0.40 lb | 3 |
| 2018-06-25 | Standard gill nets | 1.7 (normal) | 1.3 – 3.0 | 0.21 lb | 5 |
| 2018-06-25 | 1/4-in trap nets | 0.7 | — | 0.06 lb | 4 |
| 2013-06-19 | 1/4-in trap nets | 0.2 | — | 0.16 lb | 1 |
| 2013-06-19 | Standard trap nets | 0.2 (below normal) | 0.3 – 1.1 | 0.09 lb | 1 |
| 2005-06-27 | 1/4-in trap nets | 0.2 | — | 0.10 lb | 1 |
Bluegill
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 2014-06-09 | Standard trap nets | 0.7 (normal) | 0.4 – 6.5 | 0.26 lb | 4 |
| 1990-06-27 | Standard trap nets | 0.2 (below normal) | 0.4 – 6.5 | 0.06 lb | 1 |
| 2018-06-25 | 1/4-in trap nets | 15.5 | — | 0.01 lb | 93 |
| 2018-06-25 | Standard trap nets | 4.0 (normal) | 0.4 – 6.5 | 0.04 lb | 24 |
Hybrid Sunfish
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 2018-06-25 | Standard trap nets | 0.5 | — | 0.03 lb | 3 |
| 2018-06-25 | 1/4-in trap nets | 12.8 | — | 0.01 lb | 77 |
| 2005-06-27 | 1/4-in trap nets | 46.5 | — | — | 279 |
| 2005-06-27 | Standard trap nets | 0.3 | — | 0.01 lb | 2 |
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 Swamper
Plan your stay — fishing resorts and lodges near Swamper.
Fish Species
Species known to inhabit Swamper. Click any species for a full fishing guide.
Fishing Guides Near Swamper
Other Lakes in Cook County
Plan Your Trip to Swamper
- Weather forecast for Swamper — check wind, rain, and temperature before you go
- GPS: 48.0117°N, 90.3745°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.