Lake Kasumigaura霞ヶ浦[ Kasumigaura ]

Lake Kasumigaura (霞ヶ浦, Kasumigaura) is the second-largest lake in Japan, located 60 km to the north-east of Tōkyō. In a narrow sense and officially Lake Kasumigaura refers to a waterbody with an area of 167.63km². In a wider sense Lake Kasumigaura can also refer group of contiguous lakes, which includes Lake Kasumigaura proper hereby referred to as Nishiura (西浦), and two smaller lakes, Kitaura (北浦; 35.16km²) and Sotonasakaura (外浪逆浦; 5.85km²), and also encompasses the rivers connecting them. In this case the total area is 220km².

from Lake_Kasumigaura (Wikipedia) CC BY SA 3.0