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When are Largemouth Bass biting on Rend Lake?
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Fishing regulations at Rend Lake, IL
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 Illinois 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 April 22nd, 2026. To view regulations for a different fish species, please click on your preferred species in the drop-down.
Seasons
Bag limit
Aggregate
There is no statewide size limit. Daily harvest limit is 6 Bass, either singly or in the aggregate, except as specified under Site-Specific Regulations. Only statewide regulations are shown herein, but you can access Site-Specific Regulations online.
Micropterus nigricans
Regulations for
FAQ about Rend Lake fishing
- Largemouth bass - 106 members reported to have caught this fish
- Channel catfish - 121 members reported to have caught this fish
- White crappie - 69 members reported to have caught this fish
- @hancock.brent reported a nice Black buffalo.
- @hancock.brent reported a nice Black buffalo.
- @hancock.brent reported a nice Bighead carp.
- @hancock.brent reported a nice Black buffalo.
- @drbuddhakush reported a nice Freshwater drum.
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