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Atami Onsen Kinkairo

Atami, Shizuoka (Chubu), Japan
Atami Onsen Kinkairo
Location
Atami, Shizuoka (Chubu), Japan
Water type
sodium chloride
Temperature
42 °C
pH
7.3

Water profile

Thermicity
Sedative
42 °C
LowHigh

Relaxing — deep, immediate muscle release.

Mineralisation
Restorative
LowHigh

Loaded with major ions — the essential minerals (Ca, Mg).

Buoyancy
Effortless float
LowHigh

Dense, salty water — you float without effort.

SodiumChloruresBrome

Atami Onsen Kinkairo is a historic ryokan in Atami City on the Izu Peninsula coast of Shizuoka Prefecture, one of Japan's most celebrated and historically storied hot spring resort cities whose abundant chloride thermal waters emerging at temperatures of up to 99 degrees Celsius have attracted millions of visitors since the Edo period when the shogunate designated the Atami spring water as a gift worthy of the shogun himself, establishing the city's prestige as Japan's most distinguished thermal destination of the early modern era. The city's MOA Museum of Art, perched on a forested hillside above Atami's coastal resort district, houses one of Japan's finest private collections of Japanese and Asian art including National Treasure paintings, ceramics, and lacquerware in a spectacular cliff-top architectural complex that counts among the most dramatically sited art museums in Japan. The powerful chloride springs of Atami, which give the city its name meaning Hot Sea, create a resort atmosphere of opulent thermal abundance where the combination of oceanfront Pacific scenery, world-class museum culture, fresh Sagami Bay seafood, and some of Japan's most naturally powerful and abundant hot spring waters make Kinkairo one of the most prestigious addresses in the storied Atami hot spring tradition.

Insider tip — Atami occupies a steep volcanic bowl where the ocean meets the Izu mountains, and its sodium-chloride springs once made it Japan's premier resort destination for the Showa-era elite. The Kinkairo ryokan name evokes its legacy as a gathering place of literati and industrialists who lined the tatami corridors with art collections. Source water here runs extremely hot from volcanic proximity, often diluted before delivery to the bath. Stroll the MOA Museum of Art's garden hillside above the city for sweeping Sagami Bay views before your evening soak.
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Frequently asked questions

How hot is the water?
The water runs quite hot here, around 42 °C — a sedative water that brings immediate muscle release.
What type of water is found here?
This spot features sodium chloride water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année (idéal automne-hiver).