Mu River (Hokkaidō)

Mu River (鵡川) 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.

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