Ruby
Cook County, Minnesota — DOW #16011800
4 Surveys
14.56
Acres
10 ft
Max Depth
2
Fish Species
10
Local Guides
DNR Fish Surveys
Catch-per-unit-effort (CPUE) data from Minnesota DNR fish population assessments on Ruby. Green = above normal range. Red = below normal.
Northern Pike
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1979-09-05 | Standard gill nets | 4.5 (normal) | 3.9 – 9.4 | 1.89 lb | 9 |
| 2014-06-12 | Standard gill nets | 5.0 (normal) | 3.9 – 9.4 | 1.87 lb | 10 |
Yellow Perch
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1979-09-05 | Standard gill nets | 23.0 (normal) | 2.0 – 23.0 | 0.36 lb | 46 |
| 2014-06-12 | Standard gill nets | 0.5 (below normal) | 2.0 – 23.0 | 0.08 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 Ruby
Plan your stay — fishing resorts and lodges near Ruby.
Fish Species
Species known to inhabit Ruby. Click any species for a full fishing guide.
Fishing Guides Near Ruby
Other Lakes in Cook County
Plan Your Trip to Ruby
- Weather forecast for Ruby — check wind, rain, and temperature before you go
- GPS: 48.0479°N, 90.3762°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.