🐟 What fish can you catch in Apple River?

Most commonly caught species around Apple River , IL : Largemouth bass - 2,574 reported catches Smallmouth bass - 997 reported catches Northern pike - 714 reported catches Bluegill - 479 reported catches Walleye - 336 reported catches .

📢 What are the latest Apple River fishing reports?

The latest Apple River , IL fishing reports are: @maxd7208 reported a nice Largemouth bass at Waddams Creek . @AnglerArty reported a nice Shortnose gar at O'Leary's Lake . @sunarayfish reported a nice Largemouth bass at O'Leary's Lake . @sunarayfish reported a nice Largemouth bass at O'Leary's Lake . @sunarayfish reported a nice Largemouth bass at O'Leary's Lake . .

Fishing in Apple River, IL

Q: 🎣 Where to fish in Apple River, Illinois?

Anglers in Apple River , IL recommend these top fishing spots: Pecatonica River (WI) , Apple River , Yellow Creek , East Branch Pecatonica River , Smallpox Creek .

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

Download the Fishbrain app and see today's Fishing and Weather Forecast for Apple River , 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 Apple River

Latest Apple River fishing reports

Largemouth bass

Waddams Creek

length · weight

Shortnose gar

O'Leary's Lake

length · weight

Largemouth bass

O'Leary's Lake

length · weight

Largemouth bass

O'Leary's Lake

length · weight

Largemouth bass

O'Leary's Lake

length · weight

Common carp

Pecatonica River (WI)

length · weight

Bigmouth buffalo

Pecatonica River (WI)

27 in · 14 lb

Bigmouth buffalo

Pecatonica River (WI)

length · weight

Common carp

Pecatonica River (WI)

28 in · 10 lb 3 oz

Common carp

O'Leary's Lake

length · weight

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Fishing regulations in Apple River

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 18th, 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

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.

Very good Catch, Clean, Cook Largemouth Bass by BlueGabe

Micropterus nigricans

Regulations for

42°30′7.9″N 90°05′37.3″W

Regulations in the map

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FAQ about Apple River fishing

Anglers in Apple River, IL recommend these top fishing spots: Pecatonica River (WI), Apple River, Yellow Creek, East Branch Pecatonica River, and Smallpox Creek.

Most commonly caught species around Apple River, IL:

Largemouth bass - 2,574 reported catches
Smallmouth bass - 997 reported catches
Northern pike - 714 reported catches
Bluegill - 479 reported catches
Walleye - 336 reported catches

The latest Apple River, IL fishing reports are:

@maxd7208 reported a nice Largemouth bass at Waddams Creek.
@AnglerArty reported a nice Shortnose gar at O'Leary's Lake.
@sunarayfish reported a nice Largemouth bass at O'Leary's Lake.
@sunarayfish reported a nice Largemouth bass at O'Leary's Lake.
@sunarayfish reported a nice Largemouth bass at O'Leary's Lake.

Download the and see today's Fishing and Weather Forecast for Apple River, 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: