Lake Ikeda
 Lake Ikeda (池田湖 Ikeda-ko) is a caldera lake located 40 km south of Kagoshima city; Kyūshū island Japan. It is perhaps best known to tourists as the location of the purported sightings of a monster named Issie and as the largest lake on Kyūshū island with a surface area of 11 km² and a shoreline length of 15 km.