Grindstone Lake
MN · Pine
- Stocked
- 525 acres mapped (USGS NHD)
- 4.8 miles of shoreline
The pin marks the middle of the water, for directions. The shoreline on the map comes from USGS NHD.
At a glance
- Acres
- 525 acres
- Shoreline
- 4.8 miles of shoreline
- County
- Pine County
- Last stocked
- 2025
- Species
- Brook Trout, Brown Trout, Lake Trout, Rainbow Trout
Conditions
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Stocking history
| Species | Qty | Size | When |
|---|---|---|---|
| Brook Trout | 977 | adults | 2025 |
| Brown Trout | 2500 | fingerlings, yearlings | 2025 |
| Lake Trout | 9619 | yearlings, fingerlings | 2025 |
| Rainbow Trout | 9702 | adults, yearlings | 2025 |
Gear for the fish stocked here
Rainbow Trout
Rod: Light or ultralight spinning rod, about 4.5 to 8.5 feet; 5 to 6.5 feet suits stocked ponds.
Line: 4 to 10 lb monofilament, with 6 to 8 lb a good middle. Go lighter in clear water.
Baits: worms or cut nightcrawlers, salmon eggs, kernel corn
Lures: small inline spinners, small spoons, curly tail jigs and grubs
Brown Trout
Rod: Light or ultralight spinning rod, about 4.5 to 8.5 feet.
Line: 4 to 8 lb monofilament.
Baits: worms and nightcrawlers, minnows, crayfish
Lures: inline spinners, minnow-imitating stickbaits, small spoons
Brook Trout
Rod: Fairly light spinning or spincast rod, the same light gear used for other trout.
Line: 4 to 6 lb test.
Baits: worms, crickets, grasshoppers
Lures: small spoons, small spinners, small jigs
Likely species (watershed)
Blacknose Dace, Blacknose Shiner, Bluntnose Minnow, Brassy Minnow, Chestnut Lamprey, Creek Chub, Emerald Shiner, Fathead Minnow, Finescale Dace, Golden Redhorse, Golden Shiner, Iowa Darter, Johnny Darter, Largescale Stoneroller, Logperch, Longnose Dace, Mimic Shiner, Mottled Sculpin, Muskellunge, Northern Redbelly Dace, Sand Shiner, Silver Lamprey, Silver Redhorse, Slenderhead Darter, Spotfin Shiner, Spottail Shiner, Western Blacknose Dace
Likely species come from USGS Aquatic GAP ranges for the whole watershed (HUC8). They show what may be here, not a count of this water.
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Some stocking records are adapted from LurePassion (formerly lurepassion.com) (normalized and matched to our waters), licensed CC BY 4.0. State agencies retain their own terms for the underlying records.