The Swan Lake is the largest artificial lake in the North China Plain and the only “AAA” tourist spot in Dongying. There are four islands in the lake and they are well-known for being the home to numerous water fowls. Each year, large numbers of swans come to the lake in November and stay there till April of the next year (hence the name of the lake), there are in the lake various kinds of fishes, including Yellow River Carp, Crucian carp and cat fish, among others. The scenic area is furnished with accommodation and convention facilities and offers a variety of entertainment programs. Visitors can go fishing, watch birds, take a motor-boat to cruise the lake or simply relax in the newly built hot spring bathhouse.