The has its source at Mount Norikura in the northern part of Gifu Prefecture, Japan, and flows into Toyama Prefecture, where it joins with the Jinzū River. It is a Class 1 River.
The river was polluted with cadmium due to mining at the Kamioka mines (神岡鉱山 Kamioka Kōzan) and caused the itai-itai disease outbreak in downstream towns that began shortly before World War II.
River Communities The river passes through or forms the boundary of the following communities:
Gifu Prefecture Takayama, Hida Toyama Prefecture Toyama
References
External links (mouth)