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Grindstone
Pine County · Near Sandstone · DOW 58012300
533 ac
Surface Area
153 ft
Max Depth
13 ft
Water Clarity
5 mi
Shoreline
1 Public Access
This lake has 1 public access point for launching watercraft or shore fishing.
Weather
Fishing Forecast
Depth Map
Highlights
Crystal clear water (13 ft visibility) makes this a standout for swimming and snorkeling
Reaches 153 feet deep, one of the deeper lakes in the area with cold-water species down below
Excellent fishing diversity with Largemouth Bass, Smallmouth Bass, Northern Pike all present
Size Distribution
2025 DNR survey — how fish here compare to statewide averages
Small for speciesLarge for species
33″
18″
Juveniles sampled — size data unavailable
18″
14″
9″
12″
Below avgAverageAbove avg
Nearby Lakes
Other lakes near Grindstone
Grindstone is a 533-acre lake located in Pine County, Minnesota near Sandstone. It has a maximum depth of 153 feet and a mean depth of 60 feet. Known for Northern Pike, Largemouth Bass, Smallmouth Bass, Black Crappie, Bluegill. Last surveyed by MN DNR in 2025.