Fishing spots, fishing reports, and regulations in
Grindstone Lake
Logged catches
Top fish species at Grindstone Lake
Check which species have trophy potential in Grindstone Lake
Grindstone Lake fishing reports
Continue browsing catches and catch locations in the Fishbrain app
When is the Largemouth Bass biting in Grindstone Lake?
Learn what hours to go fishing at Grindstone Lake. Download the app today and get started looking for fishing spots, prepare for your next fishing trip, and try out our BiteTimeβ’ feature, explore fishing spots, and save relevant baits to prepare for your next fishing trip.
Fishing regulations at Grindstone Lake, MN
Disclaimer: Always check local fishing regulations, water access rights and land ownership before fishing, regardless of any catches logged in that area by the Fishbrain community. Fishbrain has mapped millions of acres of government-owned land across the USA to help you identify potential fishing access, but you are responsible for ensuring compliance with all legal requirements.
Fishing regulations in Minnesota can change throughout the year. Make sure to check this page before fishing for the most up to date rules and regulations for the current season. Local regulations govern when you can fish, the max size of the fish you can keep, how many fish you can keep, and more.
Below you will see fishing regulations for catching species as of May 11, 2025. To view regulations for a different fish species, please click on your preferred species in the drop-down.
FAQ about Grindstone Lake fishing
- Smallmouth bass - 10 members reported to have caught this fish
- Largemouth bass - 6 members reported to have caught this fish
- Lake char - 5 members reported to have caught this fish
- @tb8171 reported a nice Atlantic rainbow smelt.
- @tb8171 reported a nice Lake char.
- @tb8171 reported a nice Brown trout.
- @kellennellek reported a nice Northern pike.
- @EchoValleyOutdoors reported a nice Largemouth bass.
Free trial available
