Size
523ac
Boat Launch
Carry-in Launch
Toilet
Yes
Boat Dock
Species in Grindstone Lake
Crappie
Smallmouth bass
Bluegill
Lake trout
Brook trout
Brown trout
Rainbow trout
Largemouth bass
Pumpkinseed
Rock bass
Northern pike
Perch
Overview
Grindstone Lake Map
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Top Fish Species
Crappie
7-12 in
Length Range
9 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
2016
Aug
2025
Jun
