Granite Bay
A 77-acre lake near Prairie Portage in Cook County — best known for panfish and walleye. Last surveyed 1978.
Fish Species (6)
Yellow Perch
Typical numbers
Gill-net survey · surveyed Aug 1978
Last surveyed 1978 — treat with caution
Catch rate: 4.7 per gill net
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Aug 14, 1978 | 4.67 | - | 0.11 lbs |
Walleye
Typical numbers
Gill-net survey · surveyed Aug 1978
Last surveyed 1978 — treat with caution
Catch rate: 1.3 per gill net
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Aug 14, 1978 | 1.33 | - | 0.62 lbs |
Northern Pike
Below-normal numbers
Gill-net survey · surveyed Aug 1978
Last surveyed 1978 — treat with caution
Catch rate: 2.3 per gill net
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Aug 14, 1978 | 2.33 | - | 2.46 lbs |
Smallmouth Bass
Gill-net survey · surveyed Aug 1978
Last surveyed 1978 — treat with caution
Catch rate: 0.33 per gill net
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Aug 14, 1978 | 0.33 | - | 0.10 lbs |
Pumpkinseed
Gill-net survey · surveyed Aug 1978
Last surveyed 1978 — treat with caution
Catch rate: 1.0 per gill net
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Aug 14, 1978 | 1.00 | - | 0.07 lbs |
Other species in this lake (1)
Rough fish, bullheads, and baitfish recorded in DNR surveys — present in the lake, but not typical angling targets.
White Sucker
Typical numbers
Gill-net survey · surveyed Aug 1978
Last surveyed 1978 — treat with caution
Catch rate: 1.7 per gill net
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Aug 14, 1978 | 1.67 | - | 2.55 lbs |
Biologist Notes
August 14, 1978THE POPULATION OF NORTHERN PIKE AND PERCH ARE FAIR, WHILE THE OTHER SPECIES APPEAR TO BE LOW IN ABUNDANCE. THE POPULATION OF SMALLMOUTH BASS MAY BE LA…
THE POPULATION OF NORTHERN PIKE AND PERCH ARE FAIR, WHILE THE OTHER SPECIES APPEAR TO BE LOW IN ABUNDANCE. THE POPULATION OF SMALLMOUTH BASS MAY BE LARGER THAN NETTING INDICATES.
Frequently Asked Questions
What fish can you catch in Granite Bay?
Based on Minnesota DNR survey data, anglers target Yellow Perch, Walleye, and Northern Pike in Granite Bay. See the full species list above for catch rates, size structure, and quality scores.
Is there public access at Granite Bay?
We don't have a confirmed public access point on record for Granite Bay. Check the DNR LakeFinder page for current access details before you go.
How deep is Granite Bay?
Granite Bay has a maximum depth of 35 feet, per Minnesota DNR data.
When were the main sport fish in Granite Bay last surveyed?
The most recent Minnesota DNR survey data for the main sport fish in Granite Bay is from 1978. Surveys this old should be treated with some caution — fish populations change over time.
Does Granite Bay have any invasive species?
No invasive species are on record for Granite Bay in Minnesota DNR data. Always clean, drain, and dry your equipment to help keep it that way.
More lakes in Cook County
View allLake Details
- Surface Area
- 76.87 acres
- Max Depth
- 35 ft
- Shoreline
- 6.07 mi
- Public Access
- Not confirmed