One of Tokyo’s few true onsen, this chic spa complex, renovated in 2017, relies on natural hot-spring water from 1700m below ground. There are indoor and outdoor baths and saunas, plus add-on massage and exfoliation treatments. An extra fee gives you access to the "Healing Baden" area, with even more saunas. Towels are included; visitors with tattoos will unfortunately be denied admission.
Spa LaQua
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