Azabu Kokubisui Hot Spring Takenoyu

A natural onsen bathhouse in Minato Ward's Minami-Azabu, about a 5-minute walk from Azabu-juban Station. The hot spring water feeds separate hot and lukewarm tubs, and the cold-water bath uses onsen water as well. Other fixtures include ultrasonic jets and vibra baths, plus a sauna, and the bath offers temporary luggage storage that is popular with runners.