Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. High Quality Content by WIKIPEDIA articles! Wolf Creek State Park is an Illinois state park on 25,300 acres (102.39 km2) in Shelby County, Illinois, United States.Wolf Creek State Park was one of eleven state parks slated to close indefinitely on November 1, 2008 due to budget cuts by then-Illinois Governor Rod Blagojevich. After delay, which restored funding for some of the parks, a proposal to close seven state parks and a dozen state historic sites, including Wolf Creek State Park, went ahead on November 30, 2008.