Boutique Sauna ARCH

Boutique Sauna ARCH in Kagurazaka, Tokyo is a hotel that runs lodging and a private sauna together. Guests control the sauna room temperature themselves, do self löyly, and use a cold plunge bath entered while lying down. The ground-floor bar takes orders for specialty steamed dumplings and lamb mapo rice. The layout lets guests go straight from the sauna to bed.