Size
172ac
Boat Launch
Carry-in Launch
Toilet
Yes
Boat Dock
Species in O'Brien Lake
Bluegill
Pumpkinseed
Rock bass
Walleye
Perch
Crappie
Largemouth bass
Smallmouth bass
Northern pike
Overview
O'Brien Lake Map
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Top Fish Species
Bluegill
2-9 in
Length Range
7 in
Length Range
2019
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
1999
Jun
2012
Jun
2019
Jun
