Okuhida Onsenkyo

Japanese: 奥飛驒温泉郷 - おくひだおんせんきょう

…In the upper reaches of the Hirayu River is Hirayu Onsen, the base for sightseeing in the Gifu Prefecture side of the Northern Alps. The tributary, the Kamata River, is the confluence of the Migimatada Valley originating from Mt. Yari and the Hidamata Valley originating from the southern slope of Mt. Momizawa. The river valley is dotted with hot springs such as Shinhotaka, Yarimi, and Kamata, and is collectively known as the Oku-Hida Onsenkyo. [Masatoshi Osawa]. …

From Hirayu [Hot Spring]

...National Route 158 runs through the area, and since the mountain bus service to Mt. Norikura was opened in 1948, it has developed as a relay base to Mt. Norikura and Kamikochi. The Takahara River basin that flows out from here has many hot springs, including Shinhirayu and Fukuchi, and is called the Oku-Hida Onsenkyo area. There is an abundance of hot spring water, and there are many various types of resorts, as well as campsites and ski resorts. ...

*Some of the terms mentioned in relation to "Oku-Hida Onsenkyo" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…平湯川上流には北アルプス観光の岐阜県側の基地平湯温泉がある。支流の蒲田川は，槍ヶ岳に発する右俣（みぎまた）谷と樅沢（もみさわ）岳南斜面に発する左俣谷が合流する川で，河谷に新穂高，槍見，蒲田などの温泉が点在し，奥飛驒温泉郷と総称される。【大沢正敏】。…