Island introduction: The entire lake area is 40 square meters, of which the water surface area is 20 square meters. The lake coastline is 57km long, with 108 lakes and 23 islands. In addition to receiving natural rainwater, Mulan Lake also has 13 springs at the bottom of the lake. The nectar spewed out is cool and refreshing. It contains a variety of trace elements that are beneficial to the human body and can be drank directly.