Nishiyama Onsen Keiunkan local Hakuho Springs. The hotel was last renovated in 1997 and has 37 rooms. 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
Beppu Onsen of hot spring water discharge in the world, and the largest amount in Japan. According to "Iyo-no-Kuni Topography" written in the beginning of the 8th century, once in the age of the gods, Sukunabikona () and Ōkuninushi visited Iyo-no-Kuni, now known as Ehime Prefecture. Sukunabikona fainted from illness. With a deep sorrow Ōkuninushi placed a long pipe at the bottom of the sea all the way through from Dōgo Onsen to Beppu to supply therapeutic thermal waters for him to bathe, by the grace of which he was saved. Also Bungo Topography tells about Akayusen (Chinoike Jigoku). It is reported