The is a river in Japan which originates in

Takayama, Gifu file:高山市役所.JPG, Takayama City Hall is a Cities of Japan, city located in Gifu Prefecture, Japan. , the city had an estimated population of 88,473 in 35,644 households, and a population density of 41 persons per km2. The total area of ...

. It flows through

Gero Gero I ( – 20 May 965), sometimes called the Great ( la, magnus),Thompson, 486. Also se was a German nobleman who ruled an initially modest march centred on Merseburg in the south of the present German state of Saxony-Anhalt, which he expande ...

before emptying into the

Hida River The has its source in Mount Norikura (乗鞍岳 ''Norikura-ga-take'') in Takayama, Gifu Prefecture, Japan. It flows from the northern to the southern section of the prefecture before emptying into the Kiso River in Minokamo. River communit ...

.Mazegawa.com
Gero Mazegawa Chamber of Commerce. Accessed November 7, 2010. Due to its clear waters, it is home to the Japanese giant salamander.

Major dams

The river has two major dams along its length, the Iwaya Dam and the Mazegawa Dam. The Mazegawa Dam lead to the formation of the Lake Kanayama.

References

Rivers of Gifu Prefecture Rivers of Japan {{Japan-river-stub