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Kawauchi Onsen Iwate Kesen

Ofunato, Iwate (Tohoku), Japan
Kawauchi Onsen Iwate Kesen
Location
Ofunato, Iwate (Tohoku), Japan
Water type
sodium chloride
Temperature
41 °C
pH
7.3

Water profile

Thermicity
Sedative
41 °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

Kawauchi Onsen Iwate Kesen is a thermal facility in Rikuzentakata City, Iwate Prefecture, one of the Sanriku communities most profoundly impacted by the March 2011 Great East Japan Earthquake and Tsunami, which devastated the city's coastal districts and claimed hundreds of lives but also produced the extraordinary story of the Miracle Pine, the single Japanese black pine that survived alone from a coastal forest of 70,000 trees that had stood for generations, and whose survival became a national symbol of resilience before the preserved tree was erected as a permanent monument to the disaster and the community's determination to rebuild. The chloride thermal waters here warm the residents and visitors of a community that has rebuilt with remarkable courage and solidarity over the years since the catastrophe, maintaining the Pacific Sanriku fishing port culture of abalone, sea urchin, and kelp harvesting that has sustained Rikuzentakata's identity for centuries. Bathing in this onsen offers a quiet moment of restoration in a city whose contemporary meaning is inseparable from its experience of catastrophic loss and its ongoing journey of recovery and commemoration.

Insider tip — Kawauchi Onsen on the Iwate Kesen coast sits in tsunami-recovery territory east of the Kitakami mountains, close to the Pacific Rias coastline reshaped by the 2011 disaster. The sodium-chloride spring at 41°C is deeply restorative and carries the mineral richness characteristic of coastal Iwate's marine-influenced geology. Local seafood paired with a sea-view soak is the quintessential Sanriku experience.
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Frequently asked questions

How hot is the water?
The water runs quite hot here, around 41 °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).