Shinano River

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Shinano River
信濃川
NiigataCityOpenData machinami004.jpg
The Shinano River in Niigata just before it flows into the Sea of Japan
Location
CountryJapan
PrefecturesNagano, Niigata
CitiesNiigata, Nagaoka, Nagano, Matsumoto
Physical characteristics
SourceMount Kobushi
 - locationJapanese Alps, Nagano Prefecture
 - coordinates35°54′47″N 138°43′10″E / 35.913°N 138.7194°E / 35.913; 138.7194
 - elevation2,475 m (8,120 ft)
MouthSea of Japan
 - locationNiigata Prefecture
 - elevation0 m (0 ft)
Length367 km (228 mi)
Basin size11,900 km2 (4,600 sq mi)
Discharge 
 - locationOjiya
 - average503 m3/s (17,800 cu ft/s)
 - minimum91 m3/s (3,200 cu ft/s)
 - maximum3,776 m3/s (133,300 cu ft/s)
Basin features
Tributaries 
 - leftUrano River, Sai River (Nagano)
 - rightYu River (Nagano), Hoshina River, Ayu River, Yagisawa River, Matsu River, Uono River

The Shinano River (Japanese: 信濃川) is the longest river in Japan that flows through Niigata and Nagano prefectures.