When was Grindstone Lake last stocked?

The latest reported stocking was in 2025 (brook trout and brown trout and lake trout and rainbow trout, 22,798 fish), according to Minnesota agency reports.

Is Grindstone Lake stocked often?

Stocked about as often as a typical Minnesota water on our record. We count each day the agency reported stocking it.

What kind of trout are stocked in Grindstone Lake?

Rainbow trout (17 stockings, 82,683 fish); Brown trout (15 stockings, 23,598 fish); Lake trout (11 stockings, 43,684 fish); Brook trout (1 stocking, 977 fish); Splake (1 stocking, 10,454 fish).

Grindstone Lake trout stocking

Pine County, Minnesota · lake · 1,094 ft elevation

Grindstone Lake was last stocked in 2025; Minnesota publishes yearly totals rather than dates. We have 9 stockings on record since 2017. Species stocked: rainbow trout, brown trout, lake trout, brook trout, splake.

Last stocked

2025

yearly total, no date published

Next planned

Not announced

Last 12 months

0 stockings

On record

9 stockings

since 2017

Stocked about as often as a typical Minnesota water on our record.

Weather at Grindstone Lake

Tonight
57°F
Cloudy
8% rain · wind 5 mph
Tuesday
66°F
Rain Showers
93% rain · wind 10 mph
Tuesday Night
56°F
Chance Rain Showers
51% rain · wind 0 to 10 mph
Wednesday
73°F
Slight Chance Rain Showers
20% rain · wind 0 to 5 mph
Wednesday Night
49°F
Mostly Cloudy
8% rain · wind 0 to 5 mph
Thursday
64°F
Mostly Sunny
wind 5 to 10 mph

Forecast from the National Weather Service for this location, refreshed hourly.

What is stocked

Species	Stockings	Fish	Fish per stocking
Rainbow trout	17	82,683	4,864
Brown trout	15	23,598	1,573
Lake trout	11	43,684	3,971
Brook trout	1	977	977
Splake	1	10,454	10,454

Stocking history

20251 stocking · 22,798 fish

Date	Species	Fish
Yearly totalLatest date not published	Brook troutBrown troutLake troutRainbow trout	22,798 8,983 lb

20241 stocking · 22,066 fish

Date	Species	Fish
Yearly total date not published	Brown troutRainbow troutSplake	22,066 7,222 lb

20231 stocking · 17,707 fish

Date	Species	Fish
Yearly total date not published	Brown troutLake troutRainbow trout	17,707 7,708 lb

20221 stocking · 14,547 fish

Yearly total brown trout, rainbow trout, 14,547 fish

20211 stocking · 16,035 fish

Yearly total brown trout, lake trout, rainbow trout, 16,035 fish

20201 stocking · 11,732 fish

Yearly total brown trout, rainbow trout, 11,732 fish

20191 stocking · 17,220 fish

Yearly total brown trout, lake trout, rainbow trout, 17,220 fish

20181 stocking · 19,285 fish

Yearly total brown trout, lake trout, rainbow trout, 19,285 fish

20171 stocking · 20,006 fish

Yearly total brown trout, lake trout, rainbow trout, 20,006 fish

From Minnesota fish and wildlife agency reports, collected nightly and kept after the agency takes them down. Agencies revise reports; check the agency's report before you go. Seasons and limits: Minnesota fishing regulations.

Where is Grindstone Lake?

Pine County, Minnesota. The marker is the agency's location for this water; streams are often stocked at several access points.

Directions Larger map Minnesota fishing regulations

Questions about Grindstone Lake

When was Grindstone Lake last stocked?: The latest reported stocking was in 2025 (brook trout and brown trout and lake trout and rainbow trout, 22,798 fish), according to Minnesota agency reports.
Is Grindstone Lake stocked often?: Stocked about as often as a typical Minnesota water on our record. We count each day the agency reported stocking it.
What kind of trout are stocked in Grindstone Lake?: Rainbow trout (17 stockings, 82,683 fish); Brown trout (15 stockings, 23,598 fish); Lake trout (11 stockings, 43,684 fish); Brook trout (1 stocking, 977 fish); Splake (1 stocking, 10,454 fish).

Stocking data from the Minnesota DNR's LakeFinder stocking reports for its designated stream trout lakes, which give yearly totals without stocking dates. We will correct or remove it on request.