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
Awara Onsen 1956. The onsen hotels were rebuilt with modern materials afterwards, and the onsen remains a popular tourist designation for visitors especially from the Kansai region and Chubu regions of Japan. Awara Onsen does not have joint management of the hot springs. Each hotel has several hot spring wells. For this reason, each hotel has hot springs with different elements, Awara Onsen The history of Awara Onsen is relatively short. In 1883, a farmer digging an irrigation well hit an 80-degree C saline hot spring. By the following year, several "onsen" hotels had already opened and attracted visitors for especially for