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
University of Yamanashi University of Yamanashi The , abbreviated to , is a university that has campuses in Kofu and Chūō, Japan. The University of Yamanashi has its origin in “Kitenkan” which was founded in 1795 as a branch school of “Shoheizaka-School” of Tokugawa Government (later the University of Tokyo) and was developed to the Normal School of Yamanashi after the Meiji Restoration. In 1921 the Normal School of Yamanashi for Junior and in 1924 the Yamanashi High School of Engineering were established. After the World War II these three schools were integrated to the University of Yamanashi according to the new school