Bolingbrook Park District offers a safe and beautiful trout farm for perfect for an afternoon of quality fishing. The ponds at Hidden Lakes are stocked in April and October with trout and catfish are stocked May - September. All revenue generated from Hidden Lakes permit fees goes directly to stocking the wide variety of fish in the lakes.
Note: Hidden Oaks staff and the public will not be given dates to when the lakes will be stocked as stocking occurs on a random schedule correlating with the sale of permits.
A Hidden Lakes permit is needed to fish at Hidden Lakes. All adults age 16 and older are required to have a Hidden Lakes permit. Permits are valid from April 1 to March 31 of the following year. Revenue generated from permit fees goes directly to stocking a variety of fish into the lakes. The State of Illinois no longer requires state licenses to fish at Hidden Lakes Historic Trout Farm.
Note: A Hidden Lakes fishing permit is required for all adults age 16 and older to participate in the derby. Derby rules vary by derby. Five catfish or three trout catch limit on derby days.