Shizuoka Izu City
A cultural property inn where you can unwind with natural hot spring water and 5 types of saunas
"Ochiairo" is a hot spring ryokan in Izu City, Shizuoka Prefecture, registered as a tangible cultural property. It features five distinct saunas, including a tea-room sauna selected for Saunashuran and a barrel sauna standing on the banks of the Kano River, offering a luxurious relaxation experience in the midst of nature. It prides itself on free-flowing natural hot spring water from a calcium-sodium sulfate spring, and you can fully enjoy the "skin-beautifying bath" in the cave bath or the open-air bath overlooking the mountain stream. This quiet, elegant private resort is reserved exclusively for guests, away from the noise of everyday life.

A mixed-bathing thermal spring featuring an open-air bath overlooking the mountains of Izu and the Kano River, as well as a cave bath enveloped in steam. With free-flowing natural hot spring water from a calcium-sodium sulfate spring, it offers excellent moisturizing effects and is beloved as a "skin-beautifying bath." In the spacious setting, you can fully savor bathing while feeling the breath of nature.

An indoor bath in a relaxed space with sunlight filtering through the trees. With free-flowing natural hot spring water from a calcium-sodium sulfate spring, its gentle texture wraps your skin softly. In this quiet space, you can spend a blissful moment warming yourself to the core while feeling the changing seasons.

An open-air bath embraced by nature. You can soak in free-flowing natural hot spring water from a calcium-sodium sulfate spring while listening to the murmuring of the mountain stream. In the clear air and abundant nature, you can forget the bustle of daily life and enjoy a luxurious time.

A vast private open-air bath and indoor bath in a fully rented annex renovated from a nationally registered tangible cultural property. You can enjoy free-flowing natural hot spring water in a private space without interruption from anyone. The greenery visible from the windows, the sound of the river, and the passing breeze come together to create an extraordinary yet warmly soothing relaxation experience.

A sauna themed after a tea room, created by a leading figure in the industry. With its tasteful design selected for Saunashuran, it offers a serene moment where you can feel the spirit of Japanese aesthetics in silence. A premium relaxation space where soft heat gently warms your entire body.

A sauna designed with hot spring water flowing into it, delivering exceptionally high moisturizing effects. The walls are lined with hinoki cypress, allowing you to relax deeply while surrounded by a rich woody fragrance. A special space where you can also enjoy the rugged natural view of the Kano River.

A square-type barrel sauna installed at Hoshi no Yu. It uses thermowood from Estonia in Northern Europe, filling the room with a savory, deep aroma. As you sense nature’s breath, gentle heat slowly warms you from the feet all the way to your core.

A riverside barrel sauna nestled right on the banks of the Kano River. Self-löyly sets, vihta, and aroma oils are provided, so you can customize your sauna session with your preferred humidity and fragrance. After the sauna, step into the river right in front of you and experience a wild, invigorating totonou in the great outdoors.

An irori sauna set in the private space of the Ochiairo annex Shakunage. In an interior soothed by the scent of wood and gentle lighting, calm heat spreads through your whole body as if gathered around an irori hearth. It promises a special refreshment time undisturbed by anyone.

A dynamic cold plunge bath that makes direct use of the natural river water flowing right in front of the barrel sauna. Cool your heated body comfortably with the river’s clear water, then enjoy outdoor bathing while feeling the crisp air by the riverside. Its overwhelming sense of refreshment and unity with nature is part of its charm.

The cold plunge baths attached to each sauna use plenty of natural river water nurtured by Izu’s rich landscape. The clear water gently envelops your body, heated to the limit in the sauna, cooling you down all at once with a pleasant chill. Its smooth, soft feel on the skin is a hallmark of natural water, and after getting out, you can enjoy blissful outdoor bathing while feeling the murmuring of the Kano River and the rustling of the trees, as if becoming one with nature.
Availability and rates are shown on each booking site.
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15:00-24:00: Tsuki no Yu / women, Hoshi no Yu / men, Tengu no Yu / mixed bathing 05:00-11:00: Hoshi no Yu / women, Tsuki no Yu / men, Tengu no Yu / mixed bathing
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JAPAN'S FINEST ONSEN & SAUNA
The Finest Onsen & Sauna in Japan
61 SELECTIONS
Most of what we surveyed never even made it onto this site. This book is a further cut from what did. Our editor bathed in every onsen and sauna in it, and wrote only what they confirmed on the ground.