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
Onsen tamago Onsen tamago Onsen tamago ( or ) is a traditional Japanese low temperature egg which is originally slow cooked in the water of "onsen" hot springs in Japan. The egg has a unique texture in that the white tastes like a delicate custard (milky and soft) and the yolk comes out firm, but retains the color and creamy texture of an uncooked yolk. This special texture is the result as egg yolk and egg white solidify at different temperatures. The egg is poached within the shell and is served with the shell removed in a small cup with sauce of