Spas with steam room in Japan

Sapporo, Hokkaido

A natural hot-spring bathhouse near Naebo Station in Sapporo with a lit cave-style outdoor bath, sauna, jacuzzi, and a restaurant serving ramen and katsu curry.

Gero, Gifu

Neighborhood sento in Gero using real onsen water, with outdoor bath, sauna, cold plunge and a 10-minute walk from JR Gero Station.

Kyoto

Hotel spa in Kyoto's Higashiyama Ward with a day pass for pool, bathhouse, sauna and gym, plus treatment suites and couples options.

Atami, Shizuoka

Hotel spa inside Fufu Atami using Sisley's plant-based treatments, with sauna, steam and thermal pool access for adults only.

Noboribetsu, Hokkaido

A 21-room ryokan in Noboribetsu Onsen with a 100% source-fed sulfur hot spring, in-room kaiseki dinners and free shuttle service.

Hakone, Kanagawa

A guesthouse in Hakone's Sokokura hot-spring area with a source-fed onsen, sauna and steam room, open to day visitors for 1,500 yen.