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When are Largemouth Bass biting on Ottawa River?
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Fishing regulations at Ottawa River, OH
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 Ohio 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 Largemouth bass as of May 3rd, 2026. To view regulations for a different fish species, please click on your preferred species in the drop-down.
Seasons
Bag limit
Min size
Measurement
Aggregate
March 1 - April 30: bag limit = 5; min size = 14-inches
May 1 - June 24: bag limit = 1; min size = 18-inches
June 25 - April 30: bag limit = 5; min size = 14 inches
Micropterus nigricans
Regulations for
FAQ about Ottawa River fishing
- Largemouth bass - 24 members reported to have caught this fish
- Channel catfish - 26 members reported to have caught this fish
- Freshwater drum - 12 members reported to have caught this fish
- @jason.winget reported a nice Rock bass.
- @jason.winget reported a nice Rock bass.
- @jason.winget reported a nice Smallmouth bass.
- @jason.winget reported a nice Rock bass.
- @jason.winget reported a nice Rock bass.
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