Lake Charles is a reservoir in Vernon Hills, Illinois, United States. It is serviced by Lake Charles Park, managed by the Vernon Hills Park District. Fishing is allowed on the 39.1 acre lake, and a fishing pier allows anglers to cast further into the lake. For those interested in boating, a small canoe launch is available as well. The deepest point in the lake is 10 feet, a…Lake Charles is a reservoir in Vernon Hills, Illinois, United States. It is serviced by Lake Charles Park, managed by the Vernon Hills Park District. Fishing is allowed on the 39.1 acre lake, and a fishing pier allows anglers to cast further into the lake. For those interested in boating, a small canoe launch is available as well. The deepest point in the lake is 10 feet, and contains bluegill, largemouth bass, and sunfish.