Olson
Cook County, Minnesota — DOW #16015800
17 Surveys
33.64
Acres
18 ft
Max Depth
5.9 ft
Mean Depth
1
Fish Species
10
Local Guides
DNR Fish Surveys
Catch-per-unit-effort (CPUE) data from Minnesota DNR fish population assessments on Olson. Green = above normal range. Red = below normal.
Brook Trout
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1991-09-23 | Standard trap nets | 11.2 | — | 0.48 lb | 56 |
| 1991-09-23 | Standard gill nets | 24.0 | — | 0.51 lb | 48 |
| 1997-09-22 | Standard trap nets | 5.6 | — | 0.31 lb | 56 |
| 1994-09-15 | Standard trap nets | 2.5 | — | 0.31 lb | 25 |
| 1984-06-28 | Standard trap nets | 1.5 | — | 0.92 lb | 6 |
| 1986-09-22 | Standard gill nets | 16.0 | — | 0.47 lb | 16 |
| 2000-10-25 | Standard trap nets | 8.5 | — | 0.13 lb | 85 |
| 2000-10-25 | 1/4-in trap nets | 7.8 | — | 0.14 lb | 47 |
Walleye
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1991-09-23 | Standard gill nets | 1.5 (normal) | 1.0 – 7.2 | 1.25 lb | 3 |
Rainbow Trout
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 2018-08-22 | AFS Standard gill net | 2.0 | — | 0.34 lb | 2 |
| 2017-10-23 | Standard gill nets | 2.0 | — | 0.86 lb | 2 |
| 2017-10-23 | Standard trap nets | 2.0 | — | 0.74 lb | 10 |
White Sucker
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1984-06-28 | Standard trap nets | 0.3 (below normal) | 0.4 – 2.4 | 3.00 lb | 1 |
NRD
| Date | Gear | CPUE | Normal Range | Total Catch |
|---|---|---|---|---|
| 2000-10-25 | 1/4-in trap nets | 16.7 | — | 100 |
BST
| Date | Gear | CPUE | Normal Range | Total Catch |
|---|---|---|---|---|
| 2000-10-25 | 1/4-in trap nets | 17.3 | — | 104 |
CRC
| Date | Gear | CPUE | Normal Range | Total Catch |
|---|---|---|---|---|
| 2000-10-25 | 1/4-in trap nets | 171.2 | — | 1027 |
FND
| Date | Gear | CPUE | Normal Range | Total Catch |
|---|---|---|---|---|
| 2000-10-25 | 1/4-in trap nets | 143.2 | — | 859 |
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 Olson
Plan your stay — fishing resorts and lodges near Olson.
Fish Species
Species known to inhabit Olson. Click any species for a full fishing guide.
Fishing Guides Near Olson
Other Lakes in Cook County
Plan Your Trip to Olson
- Weather forecast for Olson — check wind, rain, and temperature before you go
- GPS: 47.8622°N, 90.4565°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.