Grandpa
Cook County, Minnesota — DOW #16079800
9 Surveys
124.84
Acres
55 ft
Max Depth
4
Fish Species
10
Local Guides
DNR Fish Surveys
Catch-per-unit-effort (CPUE) data from Minnesota DNR fish population assessments on Grandpa. Green = above normal range. Red = below normal.
Northern Pike
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1976-07-12 | Standard gill nets | 2.0 (normal) | 1.2 – 3.9 | 2.69 lb | 8 |
| 1998-06-22 | Standard gill nets | 4.5 (above normal) | 1.2 – 3.9 | 2.16 lb | 18 |
Yellow Perch
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1976-07-12 | Standard gill nets | 0.5 (normal) | 0.5 – 2.8 | 0.10 lb | 2 |
| 1998-06-22 | Standard gill nets | 0.3 (below normal) | 0.5 – 2.8 | 0.08 lb | 1 |
| 1998-06-22 | Misc. fish | 1.0 | — | 0.04 lb | 3 |
White Sucker
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1976-07-12 | Standard gill nets | 5.0 (normal) | 2.6 – 11.7 | 0.57 lb | 20 |
| 1998-06-22 | Standard gill nets | 1.3 (below normal) | 2.6 – 11.7 | 1.98 lb | 5 |
BNS
| Date | Gear | CPUE | Normal Range | Total Catch |
|---|---|---|---|---|
| 1998-06-22 | Minnow traps | 3.0 | — | 3 |
Green Sunfish
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1998-06-22 | Standard gill nets | 0.3 (below normal) | 0.3 – 0.3 | 0.05 lb | 1 |
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 Grandpa
Plan your stay — fishing resorts and lodges near Grandpa.
Fish Species
Species known to inhabit Grandpa. Click any species for a full fishing guide.
Fishing Guides Near Grandpa
Other Lakes in Cook County
Plan Your Trip to Grandpa
- Weather forecast for Grandpa — check wind, rain, and temperature before you go
- GPS: 48.1641°N, 90.9305°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.