Lake Springfield is a large reservoir located in Springfield, Illinois. It was created in the 1930s by damming the Sangamon River and serves as a primary water supply for the city. The lake covers approximately 4,200 acres and is surrounded by parks and recreational areas. The lake is popular for various outdoor activities, including fishing, boating, and hiking. It is home to several species of fish, making it a favored spot for anglers. Additionally, Lake Springfield features picnic areas and trails, providing residents and visitors with opportunities to enjoy nature and outdoor recreation.