Cucumber

Cook County

Near Grand Marais

DOW: 16013000

WalleyeExcellent · 75Yellow PerchGood · 52

A 54-acre lake near Grand Marais in Cook County — best known for walleye and panfish. Last surveyed 2000.

Fish Species (4)

Walleye

Excellent · 75

Typical numbers · large fish

Gill-net survey · surveyed Jul 2000

Last surveyed 2000 — treat with caution

Avg Size

12.6"

Avg Weight

0.81 lbs

Catch rate: 5.0 per gill net · typical 1–7.2 for a lake like this

Size of catchable walleye58% keeper-size (15"+)

10–14" · 42%Largest sampled 19"

Survey History

Date	Catch Rate	Avg Length	Avg Weight	Gear
Jul 20, 2000	5.00	12.6"	0.81 lbs	Standard gill nets

Yellow Perch

Good · 52

Typical numbers · small fish

Gill-net survey · surveyed Jul 2000

Last surveyed 2000 — treat with caution

Avg Size

6.4"

Avg Weight

0.17 lbs

Catch rate: 17.0 per gill net · typical 2–23 for a lake like this

Size of catchable yellow perch10% keeper-size (9"+)

5–8" · 90%Largest sampled 10"

Survey History

Date	Catch Rate	Avg Length	Avg Weight	Gear
Jul 20, 2000	17.00	6.4"	0.17 lbs	Standard gill nets
Aug 4, 1986	31.00	-	0.16 lbs	Standard gill nets

Green Sunfish

Insufficient

Gill-net survey · surveyed Aug 1986

Last surveyed 1986 — treat with caution

Avg Weight

0.20 lbs

Catch rate: 0.5 per gill net · typical 0.3–0.5 for a lake like this

Survey History

Date	Catch Rate	Avg Length	Avg Weight	Gear
Aug 4, 1986	0.50	-	0.20 lbs	Standard gill nets

Other species in this lake (1)

Rough fish, bullheads, and baitfish recorded in DNR surveys — present in the lake, but not typical angling targets.

Date	Catch Rate	Avg Length	Avg Weight	Gear
Jul 20, 2000	12.33	18.3"	2.88 lbs	Standard gill nets
Aug 4, 1986	62.50	-	0.60 lbs	Standard gill nets

Fishing Regulations

Statewide limits

Standard statewide Minnesota limits for the species in this lake.

Walleye and Sauger

Season: May 9, 2026 – Feb 28, 2027

6 combined, not more than one walleye over 20"

Sunfish

20 combined total

Perch

20 daily and 40 in possession

More statewide rules (spearing, rough fish)

Bowfin, buffalo, carp, carpsuckers, freshwater drum, goldeneye, redhorse, and suckers

no limit

Biologist Notes

July 20, 2000The walleye catch in 2000 was within the normal range for lakes of this class, and it was higher than the catch observed in 1992. There was evidence t…

The walleye catch in 2000 was within the normal range for lakes of this class, and it was higher than the catch observed in 1992. There was evidence that some natural reproduction had occurred, but stocking also appeared to have contributed to the walleye population. Walleye growth rates were about average for the area.Yellow perch were relatively abundant, but most were too small to have been of much interest to anglers. White sucker were also abundant, although there was some evidence to suggest that their numbers had declined since walleye were introduced in this lake. No other game fish or panfish species were taken in 2000, and none were known to have been present.

August 4, 1986LARGE PERCH AND SUCKER POPULATIONS DOMINATING. SMALL SIZE OF PERCH PRESENT NO ANGLING OPPORTUNIT- IES.

LARGE PERCH AND SUCKER POPULATIONS DOMINATING. SMALL SIZE OF PERCH PRESENT NO ANGLING OPPORTUNIT- IES.

Frequently Asked Questions

What fish can you catch in Cucumber?

Based on Minnesota DNR survey data, anglers target Walleye and Yellow Perch in Cucumber. See the full species list above for catch rates, size structure, and quality scores.

Is there public access at Cucumber?

We don't have a confirmed public access point on record for Cucumber. Check the DNR LakeFinder page for current access details before you go.

How deep is Cucumber?

Cucumber has a maximum depth of 26 feet, per Minnesota DNR data.

When were the main sport fish in Cucumber last surveyed?

The most recent Minnesota DNR survey data for the main sport fish in Cucumber is from 2000. Surveys this old should be treated with some caution — fish populations change over time.

Does Cucumber have any invasive species?

No invasive species are on record for Cucumber in Minnesota DNR data. Always clean, drain, and dry your equipment to help keep it that way.

Are there special fishing regulations on Cucumber?

No — Cucumber has no lake-specific regulations in the 2026 Minnesota DNR regulations, so statewide Minnesota limits apply. The statewide walleye and sauger limit is: 6 combined, not more than one walleye over 20". Verify current rules with the Minnesota DNR before keeping fish.