Fishing in Pecatonica, IL

Q: 🎣 Where to fish in Pecatonica, Illinois?

Anglers in Pecatonica , IL recommend these top fishing spots: Rock River (IL, WI) , Kishwaukee River , Sugar River (WI) , Pecatonica River (WI) , Four Lakes .

Q: 🐟 What fish can you catch in Pecatonica?

Most commonly caught species around Pecatonica , IL : Largemouth bass - 6,616 reported catches Smallmouth bass - 2,941 reported catches Bluegill - 1,133 reported catches Channel catfish - 935 reported catches Northern pike - 627 reported catches .

Q: 📢 What are the latest Pecatonica fishing reports?

The latest Pecatonica , IL fishing reports are: @BenBassCatcher reported a nice Northern pike at Rock River (IL, WI) . @Sabrchaos reported a nice Largemouth bass at Baumann Park Lake . @cinnamongirliza reported a nice Largemouth bass at Baumann Park Lake . @BenBassCatcher reported a nice Smallmouth bass at Rock River (IL, WI) . @bennyp3333 reported a nice Smallmouth bass at Kishwaukee River . .

Q: 📅 What is the best time to go fishing in Pecatonica?

Download the Fishbrain app and see today's Fishing and Weather Forecast for Pecatonica , IL . We give you weather trends and help you find the perfect window to catch your next personal best. With Fishbrain Pro , you will get the following capabilities: Plan smarter: Get hour-by-hour fishing weather conditions. Fish at peak times: Use BiteTime™ predictions to maximize catches. Stay ahead of the weather: Get hyper-local, real-time updates. .

Illinois, United States

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Top fish species in Pecatonica

Latest Pecatonica fishing reports

Northern pike

Rock River (IL, WI)

length · weight

Largemouth bass

Baumann Park Lake

length · weight

Largemouth bass

Baumann Park Lake

length · weight

Smallmouth bass

Rock River (IL, WI)

length · weight

Smallmouth bass

Kishwaukee River

length · weight

Channel catfish

Pierce Lake

17 in · 1 lb 1 oz

Channel catfish

Pierce Lake

17 in · 1 lb 1 oz

Channel catfish

Pierce Lake

15 in · 1 lb

Channel catfish

Pierce Lake

15 in · 1 lb

Largemouth bass

Lake Summerset

21 in · 4 lb

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Fishing regulations in Pecatonica

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 July 11th, 2026. To view regulations for a different fish species, please click on your preferred species in the drop-down.

Select species

Largemouth bass

Seasons

Open

Bag limit

Aggregate

Additional information

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.

Edibility

Very good Catch, Clean, Cook Largemouth Bass by BlueGabe

Synonyms

Micropterus nigricans

Regulations for

42°18′31″N 89°21′27.7″W

Regulations in the map

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FAQ about Pecatonica fishing

🎣 Where to fish in Pecatonica, Illinois?

Anglers in Pecatonica, IL recommend these top fishing spots: Rock River (IL, WI), Kishwaukee River, Sugar River (WI), Pecatonica River (WI), and Four Lakes.

🐟 What fish can you catch in Pecatonica?

Most commonly caught species around Pecatonica, IL:

Largemouth bass - 6,616 reported catches
Smallmouth bass - 2,941 reported catches
Bluegill - 1,133 reported catches
Channel catfish - 935 reported catches
Northern pike - 627 reported catches

📢 What are the latest Pecatonica fishing reports?

The latest Pecatonica, IL fishing reports are:

@BenBassCatcher reported a nice Northern pike at Rock River (IL, WI).
@Sabrchaos reported a nice Largemouth bass at Baumann Park Lake.
@cinnamongirliza reported a nice Largemouth bass at Baumann Park Lake.
@BenBassCatcher reported a nice Smallmouth bass at Rock River (IL, WI).
@bennyp3333 reported a nice Smallmouth bass at Kishwaukee River.

📅 What is the best time to go fishing in Pecatonica?

Download the and see today's Fishing and Weather Forecast for Pecatonica, IL. We give you weather trends and help you find the perfect window to catch your next personal best. With Fishbrain Pro, you will get the following capabilities: