A number of areas are preserved as parks (over total) under the Forest Preserve District of Will County. The Midewin National Tallgrass Prairie is a U.S. Forest Service park in the county on the grounds of the former Joliet Arsenal. Other parks include Channahon State Park and the Des Plaines Fish and Wildlife Area.
a NUmBER of AreAS arE PrEserVED As paRKs (Over totAl) UnDer tHe foreSt pReservE diStrIct oF WIll cOUnty the MideWin natiOnal taLlgraSs prAIrIe is A us fORest service Park iN the coUntY On THE Grounds OF THE ForMER joLiEt arsenal OTHEr pARkS iNclude cHaNnahoN STate pArk and the Des pLaInEs fIsh and WildlIFe area