
Hakone/Japan
Hakone Yumoto Onsen
The oldest onsen district in Hakone, where ryokan baths look onto the Sukumo river valley.
Bathing temperature 41°C
Places
Every thermal bath and spa published in Japan.
21 thermal baths

Hakone/Japan
The oldest onsen district in Hakone, where ryokan baths look onto the Sukumo river valley.
Bathing temperature 41°C

Beppu/Japan
Beppu's 1879 bathhouse, known for its hot sand baths.
Bathing temperature 43°C

Matsuyama/Japan
One of Japan's oldest hot springs, in a wooden bathhouse of 1894.
Bathing temperature 42°C

Sukayu/Japan
A vast hinoki-cypress bathhouse in the Hakkōda mountains, famous for its acidic sulphur water and thousand-person bath.
Bathing temperature 44°C

Minamioguni (Kurokawa)/Japan
A hot-spring village in the Kumamoto highlands where two dozen inns share their baths with day visitors.

Beppu/Japan
A Beppu bathhouse in the Kannawa quarter, known for its cascade baths and sand baths.

Obanazawa (Ginzan)/Japan
A former silver-mining valley in Yamagata lined with Taishō-era wooden ryokan and gas lamps.

Noboribetsu/Japan
Hokkaido's best-known hot-spring resort, fed by the sulphurous vents of Jigokudani.
Bathing temperature 42°C

Toyooka/Japan
A willow-lined onsen town on the Sea of Japan coast where guests move between seven public bathhouses in yukata and wooden geta.
Bathing temperature 42°C

Arima/Japan
The public bathhouse at Japan's oldest onsen, where iron-rich "golden water" turns rust-brown on contact with the air.
Bathing temperature 42°C

Ibusuki/Japan
Japan's signature sand steam bath, where geothermal heat rises through a black volcanic beach.
Bathing temperature 55°C

Nyūtō Onsen/Japan
The oldest inn of the Nyūtō onsen villages, with milky sulphur water and thatched Edo-era lodgings.
Bathing temperature 43°C

Yunomine Onsen/Japan
A tiny wooden hut over a spring in the Kumano mountains — the only bathing place inscribed on the UNESCO World Heritage list.

Zaō Onsen/Japan
A large open-air bath built into a mountain stream, fed by some of the most strongly acidic water in Japan.
Bathing temperature 42°C

Minakami/Japan
A Meiji-era wooden bathhouse in the Gunma mountains, bathing over its own spring.
Bathing temperature 41°C

Gero/Japan
One of Japan's three great hot springs, with 84 °C alkaline water above the Hida river.
Bathing temperature 42°C

Unzen/Japan
Acidic sulphur springs at 700 m on a volcano, beside the steaming ground of the Unzen jigoku.
Bathing temperature 42°C

Shirahone Onsen/Japan
Milky-white, carbonate-rich mountain onsen in the Japanese Alps.
Bathing temperature 42°C

Yufuin/Japan
A ryokan town of gentle alkaline springs beneath the twin peaks of Mount Yufu.
Bathing temperature 42°C

Nozawa Onsen/Japan
The finest of Nozawa's thirteen free village bathhouses.
Bathing temperature 44°C

Kusatsu/Japan
One of Japan's largest open-air baths, in a valley of steaming acidic springs above Kusatsu.
Bathing temperature 43°C