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 system of Japan. In 1978 the Yamanashi Medical University was opened which was only a Medical University in Prefecture of Yamanashi. Today’s University of Yamanashi was founded in 2002 by a merger between (former) University of Yamanashi and Yamanashi Medical University. It is formally referred to as the National university corporation, University of Yamanashi. In 2012 the Faculty of Education and Human science and the Faculty of Engineering were reorganized and the Faculty of Life and Environmental Science was newly established. In 2016 the lifelong studies course in the Faculty of Education and Human science was abolished, and the faculty