Twelve
A 15-acre lake near Maple Hill in Cook County — best known for pike. Last surveyed 1972.
Fish Species (1)
Typical numbers · average-size fish
Gill-net survey · surveyed Jul 1972
Last surveyed 1972 — treat with caution
Catch rate: 3.0 per gill net · typical 2–8.5 for a lake like this
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Jul 7, 1972 | 3.00 | - | 1.75 lbs |
| Jul 7, 1972 | 3.25 | - | 1.68 lbs |
Fishing Regulations
Statewide limits
Standard statewide Minnesota limits for the species in this lake.
Northern Pike
Season: May 9, 2026 – Feb 28, 2027
Northeast zone
Angling: 2 (not more than 1 over 40" in possession. All from 30-40" must be immediatley released).
More statewide rules (spearing, rough fish)
Northern Pike
Season: Nov 15, 2026 – Feb 28, 2027
Northeast zone
Darkhouse spearing: 2 (Not more than 1 over 26").
Biologist Notes
July 7, 1972Lake contains a good population of N Pike. Suckers and Perch, usually associated with N Pike appear to be absent.
Lake contains a good population of N Pike. Suckers and Perch, usually associated with N Pike appear to be absent.
Frequently Asked Questions
What fish can you catch in Twelve?
Based on Minnesota DNR survey data, anglers target Northern Pike in Twelve. See the full species list above for catch rates, size structure, and quality scores.
Is there public access at Twelve?
We don't have a confirmed public access point on record for Twelve. Check the DNR LakeFinder page for current access details before you go.
How deep is Twelve?
Twelve has a maximum depth of 21 feet, per Minnesota DNR data.
When were the main sport fish in Twelve last surveyed?
The most recent Minnesota DNR survey data for the main sport fish in Twelve is from 1972. Surveys this old should be treated with some caution — fish populations change over time.
Does Twelve have any invasive species?
No invasive species are on record for Twelve in Minnesota DNR data. Always clean, drain, and dry your equipment to help keep it that way.
Are there special fishing regulations on Twelve?
No — Twelve has no lake-specific regulations in the 2026 Minnesota DNR regulations, so statewide Minnesota limits apply. Verify current rules with the Minnesota DNR before keeping fish.
More lakes in Cook County
View allLake Details
- Surface Area
- 14.99 acres
- Max Depth
- 21 ft
- Shoreline
- 0.76 mi
- Public Access
- Not confirmed