Gunlock Lake

Gunlock Lake

Size
263ac
Boat Launch
Yes
Carry-in Launch
No
Toilet
No
Boat Dock
No
Species in Gunlock Lake
Largemouth bass
Largemouth bass
Perch
Perch
Crappie
Crappie
Bluegill
Bluegill
Pumpkinseed
Pumpkinseed
Smallmouth bass
Smallmouth bass
Walleye
Walleye
Muskellunge
Muskellunge
Rock bass
Rock bass
Northern pike
Northern pike
Tiger muskellunge
Tiger muskellunge

Overview

Panfish and toothy-critters abound here. Concentrate on the shallow weeds in spring for all species. As the season progresses, drop to the deep weed edges.

Gunlock Lake Map

Fishing Regulations

Special Fishing regulations: This lake has special fishing regulations that differ from statewide or border water regulations for those species identified below and take precedence. Regulations listed below are currently in place. Visit the fishing regulations page for links to upcoming regulations for specific lakes.

Special Waterbody Regulations

  • Catch and release fishing for largemouth and smallmouth bass is open year round unless otherwise noted. Motor Trolling is allowed with 1 hook, bait, or lure per angler, and 3 hooks, baits, or lures maximum per boat.

Special Species Regulations

  • Flathead catfish: See Catfish.
  • Hybrid, Striped, Yellow, and White Bass: See Rock, Yellow and White Bass.
  • Longnose gar: See Rough Fish.
  • Sauger and hybrids: See Walleye, Sauger, and Hybrids.
  • Shortnose gar: See Rough Fish.
  • Urban waters gamefish: This waterbody is not considered an urban water, Urban Waters Gamefish regulations do not apply.
  • Walleye: See Walleye, Sauger, and Hybrids.
  • Panfish: Open all year: No minimum length limit and the daily bag limit is 25, 25 panfish of any size may be kept, except 5 or fewer can be bluegill and pumpkinseed over 7 inches
  • Walleye, Saugers, and Hybrids: May 3, 2025 to March 1, 2026: The minimum length limit is 18” and the daily bag limit is 3
  • Bullheads: Open all year: No minimum length limit and the daily bag limit is unlimited
  • Catfish: Open all year: No minimum length limit and the daily bag limit is 10
  • Cisco and whitefish: Open all year: No minimum length limit and the daily bag limit is 10
  • Lake sturgeon: Closed. No fishing allowed.
  • Muskellunge and hybrids: May 24, 2025 to December 31, 2025: The minimum length limit is 40” and the daily bag limit is 1
  • Northern pike: May 3, 2025 to March 1, 2026: No minimum length limit and the daily bag limit is 5
  • Largemouth bass and smallmouth bass: June 21, 2025 to March 1, 2026: No minimum length, but largemouth bass and smallmouth bass from 14” to 18” may not be kept, and only 1 fish over 18 is allowed. The daily bag limit is 5
  • Largemouth bass: May 3, 2025 to June 20, 2025: No minimum length, but largemouth bass from 14” to 18” may not be kept, and only 1 fish over 18 is allowed. The daily bag limit is 5
  • Smallmouth bass: May 3, 2025 to June 20, 2025: Fish may not be harvested (catch and release only)
  • Paddlefish: Closed. No fishing allowed.
  • White perch: Open all year: The daily bag limit is 0, one may be killed and possessed for transport to a WDNR Office
  • Bluegill: See Panfish.
  • Bowfin: See Rough Fish.
  • Trout and salmon: See Trout regulations layer.
  • Channel catfish: See Catfish.
  • Crappies: See Panfish.
  • Shovelnose sturgeon: Closed. No fishing allowed.
  • Ruffe: Open all year: The daily bag limit is 0, one may be killed and possessed for transport to a WDNR Office
  • Round goby: Open all year: The daily bag limit is 0, one may be killed and possessed for transport to a WDNR Office
  • Rough fish: Open all year: No minimum length limit and the daily bag limit is unlimited
  • Rock, Yellow, and White Bass: Open all year: No minimum length limit and the daily bag limit is unlimited

Forage

Various minnow species and juvenile panfish.
Waterbody poster background

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Fish Species

Bluegill
fish
7-19 in
Length Range
13 in
Length Range
2022
Surveyed
Abundance (CPUE)
Below Avg.
2022
Surveyed
Trapnet
Catch Method
1.8642
0Statewide Range26.8087

Gunlock Lake Bluegill abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2007
Sep
2021
Jun
2022
May
Crappie
fish
7-19 in
Length Range
13 in
Length Range
2022
Surveyed
Abundance (CPUE)
Above Avg.
2022
Surveyed
Trapnet
Catch Method
1.5988
0Statewide Range4.214166666666666

Gunlock Lake Crappie abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2007
Sep
2021
Jun
2022
May
Largemouth bass
fish
7-19 in
Length Range
13 in
Length Range
2022
Surveyed
Abundance (CPUE)
High
2022
Surveyed
Electro
Catch Method
41.4975
0Statewide Range111.1888

Gunlock Lake Largemouth bass abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2007
Sep
2021
Jun
2022
May
Muskellunge
fish
7-19 in
Length Range
13 in
Length Range
2022
Surveyed
Abundance (CPUE)
Below Avg.
2022
Surveyed
Trapnet
Catch Method
0.0139
0Statewide Range0.0648

Gunlock Lake Muskellunge abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2021
Jun
2022
May
Northern pike
fish
7-19 in
Length Range
13 in
Length Range
2022
Surveyed
Abundance (CPUE)
Low
2022
Surveyed
Trapnet
Catch Method
0.017
0Statewide Range0.3447

Gunlock Lake Northern pike abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2007
Sep
2021
Jun
2022
May
Perch
fish
7-19 in
Length Range
13 in
Length Range
2022
Surveyed
Abundance (CPUE)
Outlier
2022
Surveyed
Trapnet
Catch Method
12.0015
0Statewide Range0.7271

Gunlock Lake Perch abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2007
Sep
2021
Jun
2022
May
Pumpkinseed
fish
7-19 in
Length Range
13 in
Length Range
2022
Surveyed
Abundance (CPUE)
Low
2022
Surveyed
Trapnet
Catch Method
0.0833
0Statewide Range3.0770333333333335

Gunlock Lake Pumpkinseed abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2007
Sep
2021
Jun
2022
May
Rock bass
fish
7-19 in
Length Range
13 in
Length Range
2022
Surveyed
Abundance (CPUE)
Low
2022
Surveyed
Trapnet
Catch Method
0.0386
0Statewide Range1.625

Gunlock Lake Rock bass abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2007
Sep
2021
Jun
2022
May
Smallmouth bass
fish
7-19 in
Length Range
13 in
Length Range
2022
Surveyed
Abundance (CPUE)
Low
2022
Surveyed
Electro
Catch Method
1.3532
0Statewide Range80.5292

Gunlock Lake Smallmouth bass abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2021
Jun
2022
May
Trophy Potential
This lake has a history of supporting trophy sized smallmouth-bass based on past surveys.
Survey YearLargest Fish (in)
202218
Tiger muskellunge
fish
34-35 in
Length Range
35 in
Length Range
2007
Surveyed
Abundance (CPUE)
Unknown
2007
Surveyed
Trapnet
Catch Method
Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2007
Sep
Walleye
fish
7-19 in
Length Range
13 in
Length Range
2022
Surveyed
Abundance (CPUE)
Below Avg.
2022
Surveyed
Trapnet
Catch Method
0.142
0Statewide Range0.75905

Gunlock Lake Walleye abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2007
Sep
2021
Jun
2022
May