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
Yuwaku Onsen The water is slightly alkaline and contains gypsum. The mean temperature for the water is 32°C. The area houses nine small hot spring inns. The hot spring is accessible by bus from Kanazawa Station of West Japan Railway Company. Yuwaku Onsen The is a hot spring resort in Kanazawa, Ishikawa Prefecture, Japan. As with several other hot spring resorts in the area, Yuwaku Onsen claims to have been founded in the Nara period by a paper-maker who followed an injured white heron and discovered that it was healing itself in the warm waters. The "onsen" developed was developed by the