Bath
An ultra-alkaline simple hot spring with a pH of 10.01. Its silky texture and exceptionally high skin-beautifying qualities make it one of the finest spring waters in Japan.
JAPAN ONSEN COLLECTION
When your heart unwinds,
The Finest Moment
Japan's Finest Onsen & Sauna
43 Extraordinary Destinations
43
A curator who has visited over 300 facilities nationwide handpicks 43 exceptional ones they wholeheartedly recommend. The only guidebook that deeply explores the allure of onsen and sauna—plus culture and etiquette.