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.
Top Fishing Destinations in Illinois
Ranked by guide availability and species diversity












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.
| Species | Season | Bag Limit | Size Limit |
|---|---|---|---|
| Largemouth Bass | Year-round | 6 per day | 14-inch minimum |
| Walleye | Year-round | 6 per day | 14-inch minimum |
| Rainbow Trout | Year-round | 5 per day | No size limit |
| Crappie | Year-round | 25 per day | No size limit |
| Smallmouth Bass | Year-round | 6 per day | 12-inch minimum |
| Northern Pike | Year-round | 3 per day | 24-inch minimum |
| Brown Trout | Year-round | 5 per day | No more than 3 fish may exceed 17 inches |
| Bighead Carp | Year-round | No limit | No size limit |
| Black Carp | Year-round | No limit | No size limit |
| Buffalo Fish | Year-round | No limit | No size limit |
| Silver Carp | Year-round | No limit | No size limit |
| Chinook Salmon | Year-round | 5 per day in aggregate with other salmon and trout | No size limit |
| Coho Salmon | Year-round | 5 per day in aggregate with other salmon and trout | No size limit |
| Lake Trout | Year-round | 5 per day in aggregate with other salmon and trout | No size limit |
| Steelhead | Year-round | 3 per day | 15-inch minimum |
Frequently Asked Questions
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