Nishiyama Onsen Keiunkan is a hot spring inn located in Hayakawa, Yamanashi Prefecture, Japan. It is the oldest hot spring inn in Japan, having been in operation since 705 AD. The inn offers a
Nishiyama Onsen Keiunkan is a hot spring inn located in Hayakawa, Yamanashi Prefecture, Japan. It is the oldest hot spring inn in Japan, having been in operation since 705 AD. The inn offers a