Home of Illinois’ Largest Man-made Lake — Find It in Clinton County!
Clinton County Tourism invites you to vacation in Southwestern Illinois, where superlatives are the norm, located less than an hour from St. Louis, MO. Clinton County leads the state in dairy farming and pork, wheat and egg production, plus boasts the largest man-made lake in Illinois. Country roads wind past acres of farmland, across the Kaskaskia River and through villages and towns established in the 1800s.