Trenton Lake

Trenton Lake

Size
663ac
Boat Launch
Yes
Carry-in Launch
No
Toilet
No
Boat Dock
No
Species in Trenton Lake
Crappie
Crappie
Walleye
Walleye
Sauger
Sauger
Channel catfish
Channel catfish
Northern pike
Northern pike
White bass
White bass

Overview

Trenton Lake Map

Waterbody poster background

logo

Get Your Line in the Right Water

Quickly find the best places to fish and plan your day right.

Fish Species

Channel catfish
fish
5-14 in
Length Range
9 in
Length Range
2025
Surveyed
Abundance (CPUE)
Below Avg.
2025
Surveyed
Gillnet
Catch Method
2
0Statewide Range19.16925

Trenton Lake Channel catfish 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
2025
Jun
2025
Jun
Crappie
fish
5-14 in
Length Range
9 in
Length Range
2025
Surveyed
Abundance (CPUE)
Outlier
2025
Surveyed
Trapnet
Catch Method
20
0Statewide Range4.214166666666666

Trenton 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
2024
May
2025
Jun
Trophy Potential
This lake has a history of supporting trophy sized crappie based on past surveys.
Survey YearLargest Fish (in)
202414
202314
202214
202114
Northern pike
fish
10-24 in
Length Range
15 in
Length Range
2025
Surveyed
Abundance (CPUE)
Low
2025
Surveyed
Gillnet
Catch Method
0.3333
0Statewide Range10.50505

Trenton 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
2024
May
2025
Jun
Sauger
fish
10-24 in
Length Range
15 in
Length Range
2025
Surveyed
Abundance (CPUE)
Unknown
2025
Surveyed
NA
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
2024
May
2025
Jun
Walleye
fish
10-24 in
Length Range
15 in
Length Range
2025
Surveyed
Abundance (CPUE)
Below Avg.
2025
Surveyed
Gillnet
Catch Method
4.6667
0Statewide Range33.2084

Trenton 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
2024
May
2025
Jun
White bass
fish
10-11 in
Length Range
11 in
Length Range
2024
Surveyed
Abundance (CPUE)
Low
2024
Surveyed
Gillnet
Catch Method
0.3333
0Statewide Range12.07425

Trenton Lake White 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
2023
May
2024
May