Size
45,195ac
Boat Launch
Carry-in Launch
Toilet
No
Boat Dock
Species in Lake Koocanusa
Rainbow trout
Perch
Cutthroat trout
Largemouth bass
Northern pike
Smallmouth bass
Brook trout
Pumpkinseed
Overview
Lake Koocanusa Map
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Top Fish Species
Rainbow trout
13-14 in
Length Range
14 in
Length Range
2025
Surveyed
Abundance (CPUE)
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
2025
Mar
