Rocky
A 76-acre lake near Maple Hill in Cook County — best known for pike. Last surveyed 1974.
Fish Species (2)
Northern Pike
Below-normal numbers · small fish
Gill-net survey · surveyed Aug 1974
Last surveyed 1974 — treat with caution
Catch rate: 0.67 per gill net · typical 2.3–5.1 for a lake like this
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Aug 13, 1974 | 0.67 | - | 1.00 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
Below-normal numbers · average-size fish
Gill-net survey · surveyed Aug 1974
Last surveyed 1974 — treat with caution
Catch rate: 0.33 per gill net · typical 1.7–12.5 for a lake like this
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Aug 13, 1974 | 0.33 | - | 1.00 lbs |
Biologist Notes
August 13, 1974Only two N Pike and one Sucker were taken in three gillnets set overnight. Additional netting should be done to determine if there are too many N Pike…
Only two N Pike and one Sucker were taken in three gillnets set overnight. Additional netting should be done to determine if there are too many N Pike, requiring reclamation prior to Trout stocking.
Frequently Asked Questions
What fish can you catch in Rocky?
Based on Minnesota DNR survey data, anglers target Northern Pike in Rocky. See the full species list above for catch rates, size structure, and quality scores.
Is there public access at Rocky?
We don't have a confirmed public access point on record for Rocky. Check the DNR LakeFinder page for current access details before you go.
How deep is Rocky?
Rocky has a maximum depth of 35 feet, per Minnesota DNR data.
When were the main sport fish in Rocky last surveyed?
The most recent Minnesota DNR survey data for the main sport fish in Rocky is from 1974. Surveys this old should be treated with some caution — fish populations change over time.
Does Rocky have any invasive species?
No invasive species are on record for Rocky 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
- 75.71 acres
- Max Depth
- 35 ft
- Shoreline
- 2.37 mi
- Public Access
- Not confirmed