The is a river in eastern

Honshu , historically called , is the largest and most populous island of Japan. It is located south of Hokkaidō across the Tsugaru Strait, north of Shikoku across the Inland Sea, and northeast of Kyūshū across the Kanmon Straits. The island ...

, Japan. It flows through the prefectures of Tochigi and Ibaraki and empties to the

Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the contine ...

. More than 50 species of fish live in the river, including dace,

chum salmon The chum salmon (''Oncorhynchus keta''), also known as dog salmon or keta salmon, is a species of anadromous salmonid fish from the genus '' Oncorhynchus'' (Pacific salmon) native to the coastal rivers of the North Pacific and the Beringian ...

ayu Ayu or AYU may refer to: * Ayu (given name) * Ayu sweetfish (''Plecoglossus altivelis''), a species of smelt * ''Ayu'', a local name for the African manatee * Ayu (singer) or Ayumi Hamasaki, Japanese singer * Ayu Islands, a small archipelago in I ...

, and

herring Herring are forage fish, mostly belonging to the family of Clupeidae. Herring often move in large schools around fishing banks and near the coast, found particularly in shallow, temperate waters of the North Pacific and North Atlantic Ocea ...

. The Japanese government categorizes it as a Class 1 river. With a length of , the Naka drains an area of , including parts of neighboring

Fukushima Prefecture Fukushima Prefecture (; ja, 福島県, Fukushima-ken, ) is a prefecture of Japan located in the Tōhoku region of Honshu. Fukushima Prefecture has a population of 1,810,286 () and has a geographic area of . Fukushima Prefecture borders Miya ...

. Its source is at Nasu-dake in

Nikkō National Park is a national park in the Kantō region, on the main island of Honshū in Japan. The park spreads over three prefectures: Tochigi, Gunma and Fukushima, and was established in 1934. History The establishment of Nikkō National Park dates to t ...

Naming

References

* ''Spring Comes with the Arrival of Dace - Naka River'', NHK 1998

External links

(mouth) Rivers of Tochigi Prefecture Rivers of Ibaraki Prefecture Rivers of Fukushima Prefecture Rivers of Japan {{Japan-river-stub