Oguni-numa Pond
Encyclopedia
Oguni-numa pond is a pond located at the western base of Mount Nekomadake
Mount Nekomadake
is a stratovolcano located west of Mount Bandai, close to Bandai town and Kitashiobara village in the Fukushima Prefecture, Japan. It is 1,403.6 metres high, and close to Lake Inawashiro and Oguni-numa Pond....

 in Fukushima Prefecture
Fukushima Prefecture
is a prefecture of Japan located in the Tōhoku region on the island of Honshu. The capital is the city of Fukushima.-History:Until the Meiji Restoration, the area of Fukushima prefecture was known as Mutsu Province....

, Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

. The pond is actually situated on the remains of a crater. The pond has a circumference
Circumference
The circumference is the distance around a closed curve. Circumference is a special perimeter.-Circumference of a circle:The circumference of a circle is the length around it....

 of 4 km and an area of 45 hectare
Hectare
The hectare is a metric unit of area defined as 10,000 square metres , and primarily used in the measurement of land. In 1795, when the metric system was introduced, the are was defined as being 100 square metres and the hectare was thus 100 ares or 1/100 km2...

s. It is considered a national monument.
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