Japan's Hot Spring & Sauna Facilities TOP7 - November 2025
In November 2025, from the hot spring and sauna facilities visited across Japan, we comprehensively evaluated the quality of the saunas, cold plunge baths, natural hot spring water quality, outdoor relaxation environment, food, overall atmosphere of the facility, and customer service. We present the facilities that left a particularly strong impression in a ranking format.
All Information Based on Actual Experience
All facilities listed on this site have been personally visited and experienced by the operator. All photos and reviews are original. We carefully select and introduce only the facilities that were truly exceptional.
Tenku SPA HILLS Ryusenji no Yu Nagoya Moriyama Honten
Located in Nagoya City, Aichi Prefecture, the spa resort facility 'Tenku SPA HILLS Ryusenji no Yu Nagoya Moriyama Main Store' offers accommodation. The men's area features two types of saunas: a Bazooka Löyly Sauna and a Medi Sauna. The single cold plunge bath is below 10°C, and there is also cold water in the 15°C range. In the open-air bath with a view, using the source 'Ryusenji Onsen,' you can enjoy an outdoor bath while gazing at the night view from a reclining chair dedicated to achieving a state of perfect relaxation. Surrounded by the stars in the night sky and the city lights of Nagoya, it feels as if you are floating in the sky. It is a superb facility where you can forget the hustle and bustle of daily life and refresh both body and mind.
📖 Experience Stories
Tenko no Yu
Located in Tajimi City, Gifu Prefecture, 'Tenkou no Yu' offers natural radon hot springs and authentic saunas. The men's area includes an 'Löyly Sauna' with automatic löyly, a 'Conversation Sauna' where you can perform self-löyly, and the 'Silent Sauna Zen,' allowing you to enjoy temperature differences. The cold plunge baths include the single 'Gurushin,' the 'Rapid Flow' that quickly lowers your body temperature, and the outdoor 'Sleeping Cold Bath.' The indoor bath is filled with radon steam, and the open-air bath features a source-fed bath and a high-concentration carbonated spring, warming the body from the core. The outdoor relaxation area has plenty of seating, allowing you to enjoy totonou at your own pace without worrying about waiting times. It is truly a supreme facility where you can immerse yourself in ultimate relaxation.
📖 Experience Stories
Minara Natural Hot Spring Riraku
Located in Toon City, Ehime Prefecture, the large hot spring resort 'Minara Natural Hot Spring Riraku' nestles alongside the mountains of Toon. Noteworthy are the dry sauna in the men's bath, which runs automatic löyly every 5 minutes, and the high-humidity steam sauna in the women's bath, which gently soothes the skin. The cold plunge bath, using spring water, is a blessing of nature itself, and the forest-like outdoor relaxation wraps your whole body in a refreshing sensation. With walking baths and cave baths also available, you can enjoy a long stay and take your time exploring. The adjacent inn 'Juraku' offers accommodation as a hot spring ryokan, allowing you to enjoy anything from a day visit to an overnight stay at this superb facility.
Wellbe Imaike
Located in Nagoya City, Aichi Prefecture, the men's-only sauna 'Wellbe Imaike' offers steaming experiences with different personalities. In the approximately 100°C Finnish sauna, self-löyly is possible, and the heat clings to your body. The private Japanese-style steam bath 'Karafuro' allows you to free your mind in a private space. The open-air bath 'Kasumi no Yu' uses the source of Ikeda Sakura Onsen, and the mildly alkaline spring leaves the skin moist and smooth. The sauna, available 24 hours, offers a luxurious time to enjoy freely, whether late at night or early in the morning. Located about a 1-minute walk from Imaike Subway Station, it is a blissful facility where you can forget the hustle and bustle of the city.
📖 Experience Stories
Sauna Eagle
Located in Chiryu City, Aichi Prefecture, the 24-hour full-fledged relaxation space 'Sauna Eagle' offers two types of sauna rooms with a variety of löyly performances. The 90°C classic sauna and the 70°C aroma-scented relaxation sauna are appealing. The three types of cold plunge baths, offering cold-cold-cold alternating baths, are lined up at 12°C, 15°C, and 18°C, awakening the body sharply at any temperature. In the largest indoor and outdoor relaxation space in the Tokai region, you can experience a blissful time of totonou while listening to the wind. After the sauna, you can enjoy Nagoya specialties at the dining area or spend a leisurely night in the accommodation booth. It is a superb facility that offers a new experience of achieving totonou in the sauna.
📖 Experience Stories
Natural Hot Spring Nobeha no Yu Main Branch Habikino
Located in Habikino City, Osaka Prefecture, the hot spring complex 'Natural Hot Spring Nobinoyu Main Store Habikino' offers a unique sweating experience with the 'Heat Wind Steam House' for aufguss and the self-löyly 'Heat Room.' The sharp cold plunge bath, drawing up groundwater, plays a perfect role in tightening the heat. The open-air source-fed bath provides supreme healing where you can feel the breath of nature on your skin. The meals enjoyed at the Japanese restaurant are also an essential part of relaxation. This facility is a supreme oasis that refreshes the mind and body throughout the day.
📖 Experience Stories
Koino Onsen Uharano-yu
Located in Higashinada Ward, Kobe City, Hyogo Prefecture, 'Koinoyu Uharano Yu' allows you to enjoy chloride springs gushing from 1,089 meters underground. The far-infrared sauna and salt sauna warm the body from the core with their comfortable heat, and the cold plunge bath using Rokko spring water at 12°C tightens the body and mind with its sharp coldness. Additionally, six types of bedrock baths and löyly services wash away the fatigue of the day all at once. After sweating in the sauna, you can exercise in the fitness gym and enjoy delicious meals at the restaurant or café. From 6 AM until late at night, it is a superb bathing complex where you can forget the daily routine and reset your mind and body.
📖 Experience Stories
All Facilities Visited This Month
Out of 14 facilities visited in 11/2025, we've selected the top 7 in this ranking.
Canal Resort
James Mountain Natural Hot Spring Tsuki no Yubune
Yunoya Natural Hot Spring Yukichiro
Sauna Eagle
TOP5Tenku SPA HILLS Ryusenji no Yu Nagoya Moriyama Honten
TOP1Hana no Yu Route-Inn Grantia Tokai
Tenko no Yu
TOP2Wellbe Imaike
TOP4Soraniwa Onsen OSAKA BAY TOWER
SPA Kisela Kawanishi
Koino Onsen Uharano-yu
TOP7Natural Hot Spring Sanda Kotobuki-no-Yu
Natural Spring Bath Gintou Touji Shuuraku
Minara Natural Hot Spring Riraku
TOP3
Japan's Must-Visit Finest Onsen & Sauna Facilities
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