Size
523ac
Boat Launch
Carry-in Launch
Toilet
Yes
Boat Dock
Species in Grindstone Lake
Crappie
Bluegill
Smallmouth bass
Lake trout
Brook trout
Brown trout
Rainbow trout
Largemouth bass
Perch
Pumpkinseed
Rock bass
Northern pike
Overview
Grindstone Lake Map
Weather
65°Feels like 65°
83°
54°
83°54°5:54 AM
8:42 PM
2 mph
Northwest
0 in
Rain
29.97 inHg
Stable
SaturdaySa
83° / 54°
SundaySu
81° / 55°
MondayMo
82° / 61°
TuesdayTu
77° / 51°
WednesdayWe
78° / 53°
ThursdayTh
82° / 61°
Moon Phase
August 01, 2026
92% Illumination
waning gibbous, getting dimmer
SaturdaySa08/01
SundaySu08/02
MondayMo08/03
TuesdayTu08/04
WednesdayWe08/05
ThursdayTh08/06
FridayFr08/07
Get Your Line in the Right Water
Quickly find the best places to fish and plan your day right.
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
