Oguni pond

Oguni pond is a pond located at the western base of Mount Nekomadake in Fukushima Prefecture, Japan. The pond is actually situated on the remains of a crater. The pond has a circumference of 4 km and an area of 45 hectares. It is considered a national monument.

Coordinates: 37°37′10″N 140°00′10″E / 37.61944°N 140.00278°E / 37.61944; 140.00278