is a river in Hokkaido, Japan. Located in Kamikawa and Iburi subprefectures, it is one of 13 Class A rivers on the island.
Course The Mu River rises on the slopes of Mount Karifuri in the Hidaka Mountains. It flows south and west until it reaches the Pacific Ocean at Mukawa.
Dams Class 1 rivernameClass 2 rivernameNameHeight(m)Water storagecapacity(per 1000 m3)TypeOperatorMu RiverSoshubetsu RiverSoshubetsu Dam 29.01,330ConcreteHokkaido Electric Power CompanyMu RiverHobetsu RiverHobetsu Dam 38.210,330RockfillHokkaido Regional Development Bureau
Tributaries
Shimukappu (upper reaches):
Horoka Tomamu River Soshubetsu River Pankeshuru River Shimu River
Mukawa (lower reaches): Ososukenai River Tosano River Horosaru River Hobetsu River Rubeshibe River Kinausu River Inaeppusawa River Niwan River Yunosawa River Chin River
References