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Lake Information

County: Macoupin

Acreage: 71

Average Depth: 8.79 feet

Shoreline Length: 5 miles

Recreational Amenities

Boat Fishing? electric

Boat Ramps? Yes

Boat Rental? No

Skiing? No

Swimming? No

Picnicking? Yes

Camping? Yes

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There are no zebra mussels in this lake.

Lake Status Summary  ( Full PDF Report )

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Fish Status



Bluegill were collected at a catch rate of 380 fish/hour. The fish collected ranged from 2.0-7.5”. Two fish were over 7”. Bluegill body condition is poor (Wr=91). This population is always going to have its challenges competing for food resources with Gizzard Shad.



Four Channel Catfish were collected, measuring 16.5-24.4”. Body Condition was average (Wr=98). Channel Catfish were stocked in 2017 and 2019. IDNR will continue to stock Channel Catfish as hatchery production allows.



In 2017, Forty-Two Black Crappie were collected ranging from 6.3-9.8”. Two Black Crappie exceeded 9”. Thirty-Six White Crappie were collected ranging from 5.9-14.6”, eight of which exceeded 9”. The largest White Crappie measured 14.6” and weighed 1.52lbs. Anglers should be encouraged to harvest crappies. There are currently no crappie length limits or harvest limits on this lake.


Very Good

In 2017, 114 Largemouth Bass ranging from 6.7-21.7” were collected. Seventeen Largemouth Bass exceeded 15”, and six exceeded 18”. The catch rate of 114 bass/hour exceeds the management goal (≥60 bass/hour). This bass fishery continues to offer excellent bass fishing opportunities.


Very Good

Redear Sunfish were collected at a rate of 310 fish/hour. 54.8% of adult fish collected were quality size (7” or larger). Ten fish collected exceeded 8”.

Location: Gillespie Old City Lake is located 3 miles northwest of Gillespie, IL in Macoupin County.

Description: Gillespie Old City Lake is 71 acres with a shoreline length of 5 miles, watershed of 3,300 acres, maximum depth of 21 feet, and average depth 8.8 feet. It is owned by the City of Gillespie and is cooperatively managed with IDNR Fisheries. This small water body is predominantly used for recreational fishing only.

History and Status of the Sport Fishery: Approximately 14 species occupy this fertile water body. At this time, only channel catfish are stocked periodically by IDNR Fisheries.

Additional Lake Information: 2 pole and line fishing only. This lake has a trolling motor only regulation. There is one concrete ramp on the north end of the impoundment. There is also camping available at this site. During the Illinois Waterfowl Season fishing is only allowed between the hours of 10:00am and 2:00pm.

Contact Information:
Gillespie Lake Office
IDNR Fisheries Biologist, Eric Ratcliff

There were 2 tournaments held on this waterbody in 2020.

Species Total Fish Caught
Largemouth Bass 24

Top 5 Largemouth Bass caught on this waterbody in 2020 tournaments:

1     4.71 lbs
2     4.51 lbs
3     4.30 lbs
4     4.16 lbs

Top 5 Bag Weights of Largemouth Bass caught on this waterbody in 2020 tournaments:

1 30.34 lbs
2 27.16 lbs