Somo Lake
Size
405ac
Boat Launch
No
Carry-in Launch
No
Toilet
No
Boat Dock
No
Species in Somo Lake
Walleye
Walleye
Perch
Perch
Smallmouth bass
Smallmouth bass
Bluegill
Bluegill
Rock bass
Rock bass
Crappie
Crappie
Northern pike
Northern pike
Muskellunge
Muskellunge
Pumpkinseed
Pumpkinseed
Tiger muskellunge
Tiger muskellunge
Largemouth bass
Largemouth bass

Overview

Somo 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

  • Bluegill: See Panfish.
  • 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: The minimum length limit is 14” and the daily bag limit is 5
  • Panfish: Open all year: No minimum length limit and the daily bag limit is 25
  • Walleye, Saugers, and Hybrids: May 3, 2025 to March 1, 2026: The minimum length is 15”, but walleye, sauger, and hybrids from 20” to 24” may not be kept, and only 1 fish over 24” is allowed. 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
  • Largemouth bass: May 3, 2025 to June 20, 2025: The minimum length limit is 14” and 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.
  • Rock, Yellow, and White Bass: Open all year: No minimum length limit and the daily bag limit is unlimited
  • Rough fish: Open all year: No minimum length limit and the daily bag limit is unlimited
  • Round goby: Open all year: The daily bag limit is 0, one may be killed and possessed for transport to a WDNR Office
  • Ruffe: Open all year: The daily bag limit is 0, one may be killed and possessed for transport to a WDNR Office
  • Shovelnose sturgeon: Closed. No fishing allowed.
  • Trout and salmon: See Trout regulations layer.
  • White perch: Open all year: The daily bag limit is 0, one may be killed and possessed for transport to a WDNR Office
  • Bowfin: See Rough Fish.
  • Channel catfish: See Catfish.
  • Crappies: See Panfish.
  • 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.
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Fish Species

Bluegill
fish
5-11 in
Length Range
6 in
Length Range
2021
Surveyed
Abundance (CPUE)
Above Avg.
2021
Surveyed
Electro
Catch Method
240.9046
0Statewide Range849.0614

Somo 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
2021
Apr
2021
Jun
Crappie
fish
5-11 in
Length Range
6 in
Length Range
2021
Surveyed
Abundance (CPUE)
Below Avg.
2021
Surveyed
Electro
Catch Method
31.9567
0Statewide Range84.8403

Somo 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
2021
Apr
2021
Jun
Largemouth bass
fish
8-20 in
Length Range
13 in
Length Range
2023
Surveyed
Abundance (CPUE)
Low
2023
Surveyed
Electro
Catch Method
3.9351
0Statewide Range111.1888

Somo 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
2022
Sep
2023
Sep
Muskellunge
fish
8-20 in
Length Range
13 in
Length Range
2023
Surveyed
Abundance (CPUE)
Below Avg.
2023
Surveyed
Electro
Catch Method
0.9838
0Statewide Range6.56125

Somo 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
2022
May
2023
Sep
Northern pike
fish
8-20 in
Length Range
13 in
Length Range
2023
Surveyed
Abundance (CPUE)
Below Avg.
2023
Surveyed
Electro
Catch Method
2.9513
0Statewide Range16.72075

Somo 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
2021
Sep
2023
Sep
Perch
fish
5-11 in
Length Range
6 in
Length Range
2021
Surveyed
Abundance (CPUE)
Above Avg.
2021
Surveyed
Trapnet
Catch Method
0.5138
0Statewide Range0.7271

Somo 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
2021
Apr
2021
Jun
Pumpkinseed
fish
5-11 in
Length Range
6 in
Length Range
2021
Surveyed
Abundance (CPUE)
Below Avg.
2021
Surveyed
Electro
Catch Method
12.7827
0Statewide Range84.67115

Somo 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
2021
Apr
2021
Jun
Rock bass
fish
5-11 in
Length Range
6 in
Length Range
2021
Surveyed
Abundance (CPUE)
Above Avg.
2021
Surveyed
Electro
Catch Method
16.7158
0Statewide Range62.50905

Somo 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
2021
Apr
2021
Jun
Smallmouth bass
fish
8-20 in
Length Range
13 in
Length Range
2023
Surveyed
Abundance (CPUE)
Below Avg.
2023
Surveyed
Electro
Catch Method
1.4757
0Statewide Range80.5292

Somo 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
2022
Sep
2023
Sep
Trophy Potential
This lake has a history of supporting trophy sized smallmouth-bass based on past surveys.
Survey YearLargest Fish (in)
202118
Tiger muskellunge
fish
29-30 in
Length Range
30 in
Length Range
2022
Surveyed
Abundance (CPUE)
Above Avg.
2022
Surveyed
Trapnet
Catch Method
0.0008
0Statewide Range0.00185

Somo Lake Tiger 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
Apr
2022
May
Walleye
fish
8-20 in
Length Range
13 in
Length Range
2023
Surveyed
Abundance (CPUE)
Above Avg.
2023
Surveyed
Electro
Catch Method
30.9887
0Statewide Range75.60845

Somo 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
2022
Sep
2023
Sep