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
55°Feels like 55°
73°
49°
73°49°6:53 AM
7:19 PM
0 mph
North
0 in
Rain
30.27 inHg
Stable
ThursdayTh
73° / 49°
FridayFr
61° / 49°
SaturdaySa
66° / 49°
SundaySu
66° / 46°
MondayMo
64° / 46°
TuesdayTu
66° / 45°
Moon Phase
September 17, 2026
37% Illumination
waxing crescent, getting brighter
ThursdayTh09/17
FridayFr09/18
SaturdaySa09/19
SundaySu09/20
MondayMo09/21
TuesdayTu09/22
WednesdayWe09/23
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
