Nishiyama Onsen Keiunkan Nishiyama Onsen Keiunkan Nishiyama Onsen Keiunkan (西山温泉慶雲館) is a hot spring hotel in Hayakawa, Yamanashi Prefecture, Japan. Founded in 705 AD by Fujiwara Mahito, it is the oldest hotel and one of the oldest companies in operation. In 2011, the hotel was officially recognised by the Guinness World Records as the oldest hotel in the world. It has been continuously operated by 52 generations of the same family (including adopted heirs) for over 1,300 years. The Keiunkan lies at the foot of the Akaishi Mountains. Since its foundation the hotel has had all its hot water sourced directly from the
Nyūtō Onsen spring itself remains accessible to hikers. Visitors can purchase a pass known as a "yumeguri-chō" which grants single-entry access to the baths of each of the inns in the Nyūtō Onsen locality. It can only be purchased by guests of an inn or the hotel. The pass is valid for one year. Nyūtō Onsen Nyūtō Onsen (乳頭温泉郷 にゅうとうおんせんきょう "Nyūtō-onsen-kyō") is a rural hot spring resort in Towada-Hachimantai National Park, Semboku City, Akita Prefecture, Japan and consists of Japanese-style hot spring spas scattered around the base of Mount Nyūtō. Nyūtō Onsen is composed of seven separate accommodation facilities. This includes six