Loon

Itasca County

Near Zemple

DOW: 31057900

Northern PikeGood · 66PumpkinseedGood · 66Black CrappieGood · 58

A 64-acre lake near Zemple in Itasca County — best known for pike and panfish. Last surveyed 1980.

Fish Species (8)

Northern Pike

Good · 66

Below-normal numbers · large fish

Gill-net survey · surveyed Jul 1980

Last surveyed 1980 — treat with caution

Avg Weight

3.27 lbs

Catch rate: 2.8 per gill net · typical 2.8–8.7 for a lake like this

Survey History

Date	Catch Rate	Avg Length	Avg Weight	Gear
Jul 1, 1980	2.75	-	3.27 lbs	Standard gill nets
Jul 1, 1980	0.50	-	1.07 lbs	Standard trap nets

Pumpkinseed

Good · 66

Typical numbers · large fish

Trap-net survey · surveyed Jul 1980

Last surveyed 1980 — treat with caution

Avg Weight

0.31 lbs

Catch rate: 1.3 per trap net · typical 1.3–6.3 for a lake like this

Survey History

Date	Catch Rate	Avg Length	Avg Weight	Gear
Jul 1, 1980	1.33	-	0.31 lbs	Standard trap nets

Black Crappie

Good · 58

Typical numbers · large fish

Trap-net survey · surveyed Jul 1980

Last surveyed 1980 — treat with caution

Avg Weight

0.50 lbs

Catch rate: 0.5 per trap net · typical 0.5–3.3 for a lake like this

Survey History

Date	Catch Rate	Avg Length	Avg Weight	Gear
Jul 1, 1980	0.25	-	0.50 lbs	Standard gill nets
Jul 1, 1980	0.50	-	0.50 lbs	Standard trap nets

Bluegill

Good · 57

Below-normal numbers · large fish

Trap-net survey · surveyed Jul 1980

Last surveyed 1980 — treat with caution

Avg Weight

0.19 lbs

Catch rate: 5.5 per trap net · typical 5.7–40.5 for a lake like this

Survey History

Date	Catch Rate	Avg Length	Avg Weight	Gear
Jul 1, 1980	5.50	-	0.19 lbs	Standard trap nets

Rock Bass

Good · 56

Above-normal numbers · small fish

Trap-net survey · surveyed Jul 1980

Last surveyed 1980 — treat with caution

Avg Weight

0.15 lbs

Catch rate: 3.5 per trap net · typical 0.5–2.8 for a lake like this

Survey History

Date	Catch Rate	Avg Length	Avg Weight	Gear
Jul 1, 1980	3.50	-	0.15 lbs	Standard trap nets

Walleye

Good · 53

Typical numbers · average-size fish

Gill-net survey · surveyed Jul 1980

Last surveyed 1980 — treat with caution

Avg Weight

2.37 lbs

Catch rate: 0.75 per gill net · typical 0.5–3.3 for a lake like this

Survey History

Date	Catch Rate	Avg Length	Avg Weight	Gear
Jul 1, 1980	0.75	-	2.37 lbs	Standard gill nets

Yellow Perch

Good · 50

Average-size fish

Trap-net survey · surveyed Jul 1980

Last surveyed 1980 — treat with caution

Avg Weight

0.17 lbs

Catch rate: 0.5 per trap net · typical 0.5–3.8 for a lake like this

Survey History

Date	Catch Rate	Avg Length	Avg Weight	Gear
Jul 1, 1980	0.50	-	0.17 lbs	Standard trap nets

Largemouth Bass

Average · 42

Average-size fish

Trap-net survey · surveyed Jul 1980

Last surveyed 1980 — treat with caution

Avg Weight

0.24 lbs

Catch rate: 0.83 per trap net · typical 0.3–1.6 for a lake like this

Survey History

Date	Catch Rate	Avg Length	Avg Weight	Gear
Jul 1, 1980	0.83	-	0.24 lbs	Standard trap nets

See the best northern pike lakes in Minnesota

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"

Northern Pike

Season: May 9, 2026 – Feb 28, 2027

North-central zone

Angling: 10 (not more than 2 over 26". All from 22-26" must be immediatley released).

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)

Crappie

10 combined total

Sunfish

20 combined total

Perch

20 daily and 40 in possession

More statewide rules (spearing, rough fish)

Northern Pike

Season: Nov 15, 2026 – Feb 28, 2027

North-central zone

Darkhouse spearing: 10 (only 1 between 22-26" and 1 over 26"; or, only 2 over 26").

Rock Bass

Biologist Notes

July 1, 1980Cisco are quite abundant in the lake. All other fish populations are within normal limits for this type of lake.

Cisco are quite abundant in the lake. All other fish populations are within normal limits for this type of lake.

Frequently Asked Questions

What fish can you catch in Loon?

Based on Minnesota DNR survey data, anglers target Northern Pike, Pumpkinseed, Black Crappie, Bluegill, and Rock Bass in Loon. See the full species list above for catch rates, size structure, and quality scores.

Is there public access at Loon?

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

How deep is Loon?

Loon has a maximum depth of 40 feet, per Minnesota DNR data.

When were the main sport fish in Loon last surveyed?

The most recent Minnesota DNR survey data for the main sport fish in Loon is from 1980. Surveys this old should be treated with some caution — fish populations change over time.

Does Loon have any invasive species?

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

Are there special fishing regulations on Loon?

No — Loon 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.