Takahara River

The Takahara River (高原川, Takahara-gawa) 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.

Takahara River
Native name	高原川 (Japanese)
Location
Country	Japan
Physical characteristics
Source
• location	Mount Norikura
• elevation	2,751 m (9,026 ft)
Mouth
• location	Jinzū River
Length	59.4 km (36.9 mi)
Basin size	781.6 km2 (301.8 sq mi)
Discharge
• average	120 m3/s (4,200 cu ft/s)
Basin features
River system	Jinzū 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