Complete Guide to Fishing in Illinois

58 fishing guides across 1292 cities. Best months: April, May, June, September.

Planning a fishing trip to Illinois? You're in for a treat! The Prairie State offers diverse freshwater fishing opportunities, from the mighty Mississippi River along its western border to the serene waters of Lake Michigan in the northeast. Inland, a network of rivers, lakes, and reservoirs provides anglers with a variety of habitats to explore. Whether you're a seasoned pro or a beginner, Illinois has something to offer.

Consider targeting the spring and fall seasons for the most productive fishing. Spring sees fish like Largemouth Bass and Crappie moving into shallower waters to spawn, making them easier to target. Fall brings cooler temperatures and hungry Walleye and Northern Pike as they prepare for winter. Chicago, situated on Lake Michigan, is a prime location for pursuing Salmon and Trout. Downstate, cities like Peoria and Springfield offer excellent access to the Illinois River and various reservoirs, where Catfish, Bluegill, and Carp thrive. Rock Island, nestled on the Mississippi, provides access to fantastic multi-species fishing.

Illinois boasts many hidden gems for anglers willing to explore. From the bustling waters of the Chain O' Lakes to the quiet beauty of smaller lakes and ponds, you'll find a spot to suit your style. Don't forget about the many state parks and conservation areas that offer public access and well-maintained fishing facilities. With a little planning, your Illinois fishing adventure is sure to be a success. Just remember to grab your license and inland trout stamp if needed!

Plan a Fishing Trip in Illinois

See the best times to fish in Illinois, top species by season, and find local guides.

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Illinois Monthly Fishing Calendar

See which species are active each month. Green = good or excellent fishing.

Illinois Fishing Regulations

Fishing License

Cost: Resident: $15 | Non-Resident: $31.50

Required for ages 16+. Inland trout and salmon stamp additional.

Buy a Illinois fishing license →

SpeciesSeasonBag LimitSize Limit
Largemouth BassYear-round6 per day14-inch minimum
WalleyeYear-round6 per day14-inch minimum
Rainbow TroutYear-round5 per dayNo size limit
CrappieYear-round25 per dayNo size limit
Smallmouth BassYear-round6 per day12-inch minimum
Northern PikeYear-round3 per day24-inch minimum
Brown TroutYear-round5 per dayNo more than 3 fish may exceed 17 inches
Bighead CarpYear-roundNo limitNo size limit
Black CarpYear-roundNo limitNo size limit
Buffalo FishYear-roundNo limitNo size limit
Silver CarpYear-roundNo limitNo size limit
Chinook SalmonYear-round5 per day in aggregate with other salmon and troutNo size limit
Coho SalmonYear-round5 per day in aggregate with other salmon and troutNo size limit
Lake TroutYear-round5 per day in aggregate with other salmon and troutNo size limit
SteelheadYear-round3 per day15-inch minimum

Frequently Asked Questions

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