Nestled amid scenic hot springs in the mountains, Nishiyama Onsen Keiunkan hotel in Hayakawa – Yamanashi Prefecture is recognized as the oldest hotel in the world. Originally established in 705, the traditional “onsen” was opened over 1,300 years ago and has always been managed by the same family and welcomed many distinguished guests as the shogun Tokugawa Ieyasu, samurais and now tourists from around the world.
Although the hotel has been renovated in 1997, it remains traditional. It is known for its hot springs and has six baths fed by four sources.
Night starts at ¥ 34,720, which includes a kaiseki (gourmet dinner) and breakfast.
More info: http://www.keiunkan.co.jp/en/