Big Jack
A 26-acre lake near Alder in Itasca County — best known for panfish. Last surveyed 1987.
Fish Species (2)
Above-normal numbers
Trap-net survey · surveyed Jul 1987
Last surveyed 1987 — treat with caution
Catch rate: 90.8 per trap net
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Jul 23, 1987 | 0.33 | - | 0.10 lbs |
| Jul 23, 1987 | 90.75 | - | 0.20 lbs |
Trap-net survey · surveyed Jul 1987
Last surveyed 1987 — treat with caution
Catch rate: 0.25 per trap net
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Jul 23, 1987 | 0.25 | - | 0.30 lbs |
Fishing Regulations
Statewide limits
Standard statewide Minnesota limits for the species in this lake.
Largemouth Bass
Season: Mar 1, 2026 – May 22, 2026
Largemouth bass in the Southern and North-central zones
Catch-and-release only
Largemouth Bass
Season: May 23, 2026 – Feb 28, 2027
Largemouth bass in the Southern and North-central zones
6 combined total largemouth or smallmouth (when smallmouth season is open)
Sunfish
20 combined total
Biologist Notes
July 23, 1987BLUEGILLS ARE VERY ABUNDANT, BUT SMALL IN SIZE. LACK LACKS PREDATOR SPECIES.
BLUEGILLS ARE VERY ABUNDANT, BUT SMALL IN SIZE. LACK LACKS PREDATOR SPECIES.
Frequently Asked Questions
What fish can you catch in Big Jack?
Based on Minnesota DNR survey data, anglers target Bluegill in Big Jack. See the full species list above for catch rates, size structure, and quality scores.
Is there public access at Big Jack?
We don't have a confirmed public access point on record for Big Jack. Check the DNR LakeFinder page for current access details before you go.
How deep is Big Jack?
Big Jack has a maximum depth of 46 feet, per Minnesota DNR data.
When were the main sport fish in Big Jack last surveyed?
The most recent Minnesota DNR survey data for the main sport fish in Big Jack is from 1987. Surveys this old should be treated with some caution — fish populations change over time.
Does Big Jack have any invasive species?
No invasive species are on record for Big Jack in Minnesota DNR data. Always clean, drain, and dry your equipment to help keep it that way.
Are there special fishing regulations on Big Jack?
No — Big Jack has no lake-specific regulations in the 2026 Minnesota DNR regulations, so statewide Minnesota limits apply. The statewide sunfish limit is: 20 combined total. Verify current rules with the Minnesota DNR before keeping fish.
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Lake Details
- Surface Area
- 25.51 acres
- Max Depth
- 46 ft
- Shoreline
- 1.15 mi
- Public Access
- Not confirmed