Size
486ac
Boat Launch
Carry-in Launch
Toilet
No
Boat Dock
Species in Petrolia Lake
Walleye
Northern pike
Perch
Rainbow trout
Bluegill
Brown trout
Tiger muskellunge
Overview
Petrolia Lake Map
Get Your Line in the Right Water
Quickly find the best places to fish and plan your day right.
Top Fish Species
Walleye
14-16 in
Length Range
15 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
2020
Sep
2025
Apr
