Begin each day with free yoga in the ground-floor Horin (the symbolic 'forest', where meals are also served), taught by lovely owner Sachiko. Look out for Kenya Hara’s mesmerising large-scale art work, Ho-Sun – who knew drops of water could be so hypnotic? Beniya Mukatu’s bath products were developed by the owners with the help of a prominent biochemist, using medicinal herbs and water from the local hot springs.