Relaxing — deep, immediate muscle release.
Loaded with major ions — the essential minerals (Ca, Mg).
Soft water — natural, classic buoyancy.
Nishiyama Onsen Keiunkan is an onsen ryokan in Yamanashi Prefecture. Founded in 705 by Fujiwara no Mahito, it is a prime example of shinise and perhaps the oldest independent company in operation following the acquisition of construction company Kongō Gumi in 2006.