Lake Inawashiro猪苗代湖[ Inawashiro ko ]
Lake Inawashiro (猪苗代湖, Inawashiro-ko) is the fourth-largest lake in Japan, located in central Fukushima Prefecture, south of Mount Bandai. It is also known as the 'Heavenly Mirror Lake' (天鏡湖, Tenkyōko). The lake is located within the borders of Bandai-Asahi National Park. In winter swans migrate to the beaches of the lake and stay there until spring.