Top fish species at West Fork Mazon River

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Check which species have trophy potential in West Fork Mazon River

West Fork Mazon River fishing reports

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Largemouth bass

length · weight

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Green sunfish

length · weight

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Green sunfish

length · weight

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Smallmouth bass

length · weight

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24 in · 10 lb

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Largemouth bass

15 in · 3 lb

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General info

West Fork Mazon River is a stream located in Grundy County, Illinois, United States. It is also intersecting with Livingston County, Illinois. It is most popular for fishing Largemouth bass, Green sunfish, and Smallmouth bass.

Location

41°07′35.1″N 88°28′16.8″W
Directions

When are Largemouth Bass biting on West Fork Mazon River?

Learn what time of year and day to go fishing at West Fork Mazon River. Download Fishbrain today to look for new fishing spots, scout new fishing access, or prep for your next trip.

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Fishing regulations at West Fork Mazon River, 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 May 3rd, 2026. To view regulations for a different fish species, please click on your preferred species in the drop-down.

Largemouth bass

Seasons

Open

Bag limit

6

Aggregate

6

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

41°07′35.1″N 88°28′16.8″W
Regulations in the map
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Local laws and licenses

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Reviews of West Fork Mazon River

5.0
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1 ratings

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Cities nearby

Dwight

3.1 miles away

Kinsman

6.8 miles away

Mazon

8.3 miles away

Odell

9.0 miles away

Gardner

9.4 miles away

South Wilmington

10.5 miles away

Campus

11.1 miles away

Reddick

11.8 miles away

Emington

12.4 miles away

Seneca

14.8 miles away

Essex

15.0 miles away

Braidwood

16.2 miles away

Cornell

16.4 miles away

Saunemin

16.5 miles away

Cabery

16.6 miles away

Morris

17.3 miles away

Streator

18.6 miles away

Pontiac

18.7 miles away

Lorenzo

19.9 miles away

Herscher

20.0 miles away

Cullom

20.1 miles away

Ritchie

20.5 miles away

Bonfield

21.7 miles away

Irwin

25.9 miles away

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FAQ about West Fork Mazon River fishing

the West Fork Mazon River is a stream located in Grundy County, Illinois, United States. It is also intersecting with Livingston County, Illinois. Its coordinates are:
41°07′35.1″N 88°28′16.8″W
.
Find the best fishing spots on the West Fork Mazon River by looking at where other anglers have caught fish. This can easily be done in the where it is also possible to see big fish potential and how good fishing is right now along with Garmin® depth maps.
The most common species in the West Fork Mazon River are:
The latest West Fork Mazon River fishing reports are:
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