Agano River

Agano River 阿賀野川
Agano River and Taima Bridge of Ban'etsu West Line
Native name	阿賀野川 (Japanese)
Location
Country	Japan
Prefectures	Niigata, Fukushima, Gunma
Physical characteristics
Source
• location	Mount Arakai, border of Fukushima Prefecture and Tochigi Prefecture
• elevation	1,581 m (5,187 ft)
Mouth
• location	Sea of Japan, Niigata Prefecture
• coordinates	37°57′48″N 139°07′46″E / 37.963224°N 139.129556°E / 37.963224; 139.129556
• elevation	0 m (0 ft)
Length	210 km (130 mi)
Basin size	7,710 km2 (2,980 sq mi)
Discharge
• average	451 m3/s (15,900 cu ft/s)
Basin features
Population	560,000

The Agano River (阿賀野川, Agano-gawa) is a river system in the Hokuriku region of Honshu, Japan. It is also called the Aga River or the Ōkawa River in Fukushima.^[1] It is designated as a Class A river.^[1]

The source of the river is Mount Arakai on the border of Fukushima and Tochigi. It flows to the north and meets the Nippashi River from Lake Inawashiro and the Tadami River in the Aizu Basin, and then turns to the west and falls into the Sea of Japan. The Agano River flows for 210 kilometers. It has a watershed area of 7,710 square kilometers.^[2] Approximately 560,000 people live in the basin area.^[1]

In 1964–1965, a chemical factory at Kanose village in Niigata Prefecture released methylmercury into the river and caused Niigata Minamata disease.^[3]

There are several hydroelectric power plants on the Agano River:

• Inawashiro Power Plant (107.5 MW), constructed several steps in 1899–1940. It was the site of the Japan first high-voltage, long-range power transmission line.
• Numazawanuma Power Plant (43.7 MW), constructed in 1952.^[4] It was the first pumped-storage power plant in Japan.

• 
  Agano River near Kitakata
• 
  Agano River in Kōnan-ku, Niigata, 5/5/2007

References

External links

• Media related to Agano River at Wikimedia Commons

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River systems and rivers of Japan

Rivers of Hokkaido

Sea of Japan Ishikari River Chitose River Toyohira River Makomanai River Anano River Yūbari River Koetoi River Rumoi River Shiribeshi-Toshibetsu River Shiribetsu River Teshio River Zenibako River Sea of Okhotsk Abashiri River Shibetsu River Shokotsu River Tokoro River Yūbetsu River Pacific Ocean Akan River Kushiro River Mitsuishi River Mu River Niikappu River Saru River Shizunai River Tokachi River Rivers of Hokkaido on Commons

Rivers of Honshu

Tōhoku region Abukuma River Arakawa River Iwaki River Kitakami River Komagome River Koyoshi River Mabechi River Mogami River Natori River Ōhata River Oirase River Omono River Takase River Yoneshiro River Kantō region Arakawa River Edo River Fuji River Kanda River Kuji River Naka River Sagami River Sumida River Tama River Tone River Tsurumi River Chūbu region Agano River Shinano River Seki River Hime River Kurobe River Jōganji River Jinzū River Shō River Oyabe River Tedori River Kuzuryū River Fuji River Abe River Ōi River Sakawa River Tenryū River Toyo River Yahagi River Shōnai River Kiso Three Rivers Kiso River Nagara River Ibi River Kushida River Miya River Kita River Minami River Kansai region Choshi River Ibo River Kako River Kinokawa River Kumano River Kuzuryu River Maruyama River Muko River Yamato River Yodo River Yasu River Katsura River Kamo River Kizu River Dōton River Yura River Chūgoku region Asahi River Ashida River Gōnokawa River Hino River Hii River Ōta River Oze River Saba River Sendai River Takahashi River Takatsu River Tenjin River Yoshii River

Rivers of Shikoku
Aibiki River Shimanto River Shinmachi River Suketō River Tamiya River Sako River Sumiyoshijima River Yoshino River Dōzan River

Rivers of Kyushu
Kyushu Arie River Chikugo River Kikuchi River Kuma River Mimi River Ōno River Ōyodo River Yaeyama Islands Kokuba River Nakama River Urauchi River

• Rivers of Japan Category
• Rivers of Japan on Commons

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