The is a river in Toyama Prefecture, Japan. in length, it has a watershed of 689 km². The river rises from Mount Washiba in the Hida Mountains and carves the deep valley known as the Kurobe Gorge. It comes out of the mountains at Unazuki and forms an alluvial fan which directly sinks into the Sea of Japan. Geography Tributary Kuronagi River References External links The Kurobe River and Pure Water Rivers of Toyama Prefecture Toyama (city) Nyūzen, Toyama Kurobe, Toyama Rivers of Japan