Search Hot Springs

Nestled in a serene mountain valley along the Wenshui River, Tai'an is famed for its silky, crystal-clear carbonated water. The area is highly peaceful, away from heavy commercialization, and surrounded by dramatic forested cliffs. Soaking here provides an intimate connection to nature with pristine views of the central mountain ranges.

The thermal water is rich in calcium and fluoride and has a mild sweet taste that is traditionally used for drinking cures. The bathhouse features traditional marble basins and a classic arched steam room layout. There are strictly separate sections for men and women with no mixed bathing allowed in this historic structure. It is ideal for solo travelers and purists of the classic Turkish hammam experience. Guests must bring their own bathing attire and sandals.

The thermal water is mild and bicarbonate-heavy offering a comfortable soak without a strong mineral odor. The complex features a massive modern indoor thermal pool, water slides, and separate family cabins that can be rented by the hour. It is highly suited to families with children and travelers who prefer a modern water park style layout over historic bathhouses. Day use passes are sold at the main spa reception. Bringing your own slippers is required for hygiene.

A mountain hot spring resort in Gunma Prefecture, positioned along the Takara River roughly 100 kilometers outside Tokyo. The centerpiece is a large outdoor bath built right at the river's edge, with dense forest climbing the slopes on either side. One portion of the bathing area accommodates mixed-gender soaking. The draw here is the pairing of untamed river scenery with open-air thermal pools.

Set on the misty, high-altitude Dieng Plateau, this geothermal water park is the highest in Central Java, using local volcanic hot water. The open-air pools combine recreational features like water slides and bucket drops with wide family soaking areas, all surrounded by crisp mountain air. The water carries a light sulfur-mineral quality, and the plateau around it is famous for steaming craters, colored lakes, and the oldest Hindu temples in Java.

Padusan, in the cool hill village of Pacet on the slopes of Mount Welirang, is East Java's most popular hot spring resort. The naturally sulfurous water is drawn from the mountain into a series of terraced pools, slightly cloudy and lightly scented in a way locals value for skin health, sitting around eight hundred metres up where the air stays crisp. Pine trees and green hills border the complex, giving it a classic highland feel.

Ikaho Onsen sits on a hillside in Gunma Prefecture, its layout defined by 365 stone steps that rise through a narrow valley flanked by ryokan and traditional shops. The waters are iron-rich and run a characteristic golden-brown, a color reflecting the mineral content that has drawn visitors since the Nara period. The staircase serves as the town's central axis, with nearly all activity concentrated along its length or on the side streets branching from it.

Yugawara Onsen sits along a river in Kanagawa Prefecture, caught between mountain slopes and the nearby coast. The waters are clear and mild, with a gentle quality that makes them suitable for children and older visitors alike. Most of the ryokan in town open their baths to day visitors, and the overall tempo here is unhurried and low-key.

A highland onsen in Unzen-Amakusa National Park at around 700 meters elevation. The dramatic sulfurous steam vents known as the Jigoku, or Hell Grounds, are the defining feature: they bubble, hiss, and release clouds of white vapor across the landscape. The water here is strongly acidic and celebrated for its skin-healing properties.

Nachikatsuura Onsen is a hot spring resort town on the Kii Peninsula, positioned close to Nachi Falls, the tallest waterfall in Japan. The harbor sits along the ancient Kumano Kodo pilgrimage route, and the town's baths offer two distinct outlooks: some face out over the Pacific Ocean, and others look directly toward the sacred falls. That pairing is rare to find anywhere in Japan.

Maintained by the Yangmingshan National Park administration, this free public bathhouse offers separate indoor pools for men and women alongside an outdoor foot-soaking pool. The name translates literally to Cold Water Pit because its water sits at a lower temperature compared to other boiling volcanic vents in the park. The iron-rich neutral sulfate water leaves a faint rust-colored sediment along the pool walls.

Perched on a high mountain slope near the entrance of the Yushan National Park trail system, Dongpu features pristine, clear carbonic acid springs. The village is surrounded by steep mountain peaks and serves as a major agricultural hub for the indigenous Bunun tribe. The water flows from mountain crevices and is completely free of any strong chemical odors.

Iiyama Onsen sits in northern Nagano Prefecture near the Nozawa Onsen highlands and produces water with a pH of 11.3, placing it among the most alkaline natural hot springs anywhere in Japan. The soft, high-alkaline water has long been sought out as a beauty spring, widely praised for the way it smooths and softens the skin. The Hokuriku Shinkansen now stops at Iiyama Station, cutting travel time from Tokyo considerably.

Antong is located along a quiet mountain valley slicing through the Coastal Mountain Range, featuring clear, slightly salty sodium chloride water. The spring area emits a delicate sulfur fragrance and is famous for panoramic views of dark green valleys. A historic single-story dark wood Japanese inn sits at the center of the modern resort complex.

The thermal water contains high levels of sodium bicarbonate and sulfur with a distinctive mineral aroma. The facility is a large public bathhouse operated by the local municipality with a massive central pool and several private family bathing rooms. The interior is functional and clean with a lively local atmosphere. It suits budget travelers and those looking for an authentic Turkish community bathing experience. Visitors should bring their own towels and soap to avoid extra fees.

Akinomiya Hot Springs is a cluster of mountain springs situated along the Yakunai River at the western foot of Mount Kurikoma in Akita Prefecture, widely regarded as the prefecture's oldest spring resort. The geothermal area has been catalogued as containing more than 50 individual springs and fumaroles. The innermost of these, Takanoyu, is both the most remote and the most celebrated.

Situated in a rugged volcanic valley along the foothills of Yangmingshan, this area features numerous traditional bathhouses and garden restaurants fed by a white sulfur source. The water is milky white and opaque, releasing a rich sulfuric aroma into the cool mountain air. Many establishments allow complimentary access to their large public baths if guests dine on site.

Set on a wooded slope in Beppu's Myoban district, this resort draws visitors for its yunohana, a term meaning hot spring flowers, which are white crystalline deposits that collect on surfaces where steam from the springs cools and condenses. The spring water itself is strongly sulfurous and acidic, rising at high temperatures from one of the eight volcanic source zones that make up Beppu Hatto.

Situated in the pastoral East Rift Valley, Ruisui is famous for producing Taiwan's only iron-rich carbonate hot spring. The mineral-dense water displays a metallic yellow-gold hue and forms a delicate layer of crystallized minerals on the surface known as spring flowers. The valley setting is surrounded by farmland and low green hills.

Sabakoyu stands among the oldest communal bathhouses in Japan, situated in the Iizaka district of Fukushima. The structure traces its origins to the seventeenth century. In 1689, the Edo-period poet Matsuo Basho passed through and recorded a visit to the bath in his travel writing. The spring water is a sodium bicarbonate type, clear and without color, and bathers commonly note that it leaves the skin unusually smooth.