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
Onsen onsens that previously banned tattoos are loosening their rules to allow guests with small tattoos to enter, provided they cover their tattoos with a patch or sticking plaster. The volcanic nature of Japan provides plenty of springs. When the onsen water contains distinctive minerals or chemicals, the onsen establishments typically display what type of water it is. Some examples of types of onsen include: Although millions of Japanese bathe in onsens every year with few noticeable side effects, there are still potential side effects to onsen usage, such as aggravating high blood pressure or heart disease. "Legionella" bacteria have been