Japan's Hot Spring & Sauna Facilities Ranking

Japan's Hot Spring & Sauna Facilities Ranking - May 2026

Ehime Matsuyama City

Takanoko no Yu

A day-use hot spring facility in Matsuyama, Ehime Prefecture, where you can relax from 5:00 a.m. until 1:00 a.m. all day long. Sweat thoroughly in the sauna with auto löyly, then cool down in one go in the cold groundwater bath. The spacious outdoor-air bathing area makes the time spent enjoying the breeze and reaching totonou irresistible. Natural carbon dioxide from the new spring wraps the body in bubbles, while the faint sulfur scent of the old spring is also soothing. You can even enjoy handmade dishes after bathing, making this an exceptional facility in Matsuyama that you will want to return to again and again.

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Hyogo Kobe City

Arima Kaido Onsen Suzuran no Yu

A hot spring facility in Kobe, Hyogo Prefecture, featuring an Arima-style free-flowing spring. The 17°C cold plunge bath, made by blending famous Miyamizu water with the spring source, is exceptional, with a soft, enveloping sensation on the body. In the Finnish sauna scented with vihta, you can enjoy self löyly, and the outdoor-air bathing area in a garden created within the forest is wonderful, allowing you to become one with nature. Feel real nature in the nude, and listen closely to the wind, the sounds of insects, and the water, while smelling the earth and wood. As you sharpen your five senses, the fatigue and mental clutter accumulated in everyday life disappear one by one. Even on a second visit, it delivers the same sense of wonder, making it an addictive, top-tier facility.

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Osaka Osaka City

Sauna & Spa Capsule Hotel Daitoyo

Daitoyo, a facility in Osaka City, Osaka Prefecture, where a capsule hotel and sauna are fused together. In the Finnish sauna at 90°C, you can work up a thorough sweat, then enjoy a pleasant刺激 in the 14°C cold plunge bath. The outdoor-air bathing area is wrapped in silence that makes you forget the bustle of the city, and the infinity chairs allow your whole body to relax. On this day, I visited while also staying overnight, and enjoyed the sauna and cold plunge bath all through the night. It refreshed both body and mind, truly a city oasis.

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Hyogo Takarazuka City

Takaranoyu

Takarano-yu, a day-use hot spring facility in Takarazuka, Hyogo Prefecture, that prides itself on its fully free-flowing Gōgon-sen spring. In the auto löyly sauna, you can enjoy a pleasant blast of heat, and the salt sauna allows you to sweat thoroughly. The cold plunge bath is cool enough to tighten the skin, and the outdoor-air bathing session lets you savor moments of pleasant relaxation. The golden spring bath, open-air rock bath, carbonated spring, and other varied tubs provide the fun of a treasure hunt. With an abundant flow of 430 tons per day and the outstanding benefits of its therapeutic spring water, this is a remarkable facility.

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Kyoto Seika Town, Soraku District

Sukkama Genji no Yu

A town therapeutic bath in Seika Town, Soraku District, Kyoto Prefecture, combining the Korean traditional charcoal kiln sauna known as Sukkama, said to be the first of its kind in Japan, with natural hot springs. The Sukkama, with its overwhelming heat generated by residual warmth from konara oak, warms you deep to the core in an instant, and the outdoor-air bathing area overlooking the garden is wonderful, right down to the scent of pine and bamboo groves. The weakly alkaline simple spring leaves the skin moist and smooth, and the flow of heat, water, and breeze is perfect. A fitting way to end a spontaneous trip, this is a distinguished retreat that deeply heals both body and mind.

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Osaka Suita City

Genki Onsen Banpaku Oyuba

A full-scale natural hot spring facility in Suita, Osaka Prefecture, ideal for stopping by after a visit to Expo Park. The Banpaku Onsen, cloudy brown with iron and salt, has an outstanding warming effect after bathing, and the high-concentration carbonated spring is also excellent. In addition to the large main sauna, the sauna with auto löyly in the open-air area boasts an overwhelmingly hot, steamy heat. Even as a third stop before noon, sweat pours out like a waterfall. With the power of the hot spring and the heat of the sauna loosening the body from the core, this is an addictive facility.

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Hyogo Nishinomiya City

Naruo Onsen Kumano no Sato

A hot spring and sauna facility in Nishinomiya, Hyogo Prefecture, full of tropical resort vibes wrapped in sea breeze. You can sweat slowly in the far-infrared sauna and mild salt sauna, while the naturally flowing weakly alkaline spring gently loosens the body. The outdoor-air bathing area, where the sea breeze blows through, is outstanding, and just taking a deep breath while listening to the sound of the wind melts away the fatigue of everyday life. This was my first return in 10 years, and I was completely won over by the evolved interior and the unchanged comfort. An addictive, top-tier facility where you can relax in resort mood.

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Kyoto Uji City

Natural Hot Spring Genji-no-Yu in Uji

A natural hot spring facility in Uji, Kyoto Prefecture, where you can slowly enjoy the warmth of its own source. The highly warming chloride spring wraps the skin in moisture, and its warmth lasts long after bathing. The sauna, cold plunge bath, and open-air outdoor-air bathing area connect seamlessly, delivering a level of relaxation that feels impossible so close to an urban area. Even though I dozed off from travel fatigue, I managed to get up at 18:00, and the trip was well worth it. It may not be flashy, but it is a facility that deeply and solidly fills you in everyday life.

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Tokushima Naruto City

Naruto Natural Hot Spring Aratae no Yu

Aratae no Yu, a resort-style bathing facility in Naruto City, Tokushima Prefecture, overlooking the Kominato Strait. With natural hot spring baths, carbonated spring baths, pot baths, and jet baths, it offers a wide variety of tubs that delight sauna lovers. The open-air bath with a panoramic view of the sea is breathtaking, and the outdoor-air bathing experience in the natural breeze is a blissful moment. The sauna is at a comfortable temperature, allowing you to sweat pleasantly, and the time spent relaxing in the infinity chair after bathing and losing track of time is irresistible. With a well-equipped relaxation lounge and dining area, this is an exceptional facility that gently loosens both body and mind.

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