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Hachimori Isaribi Onsen Hatahata-kan

Happo, Akita Prefecture, Japan
Hachimori Isaribi Onsen Hatahata-kan
Location
Happo, Akita Prefecture, 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

Hachimori Isaribi Onsen Hatahata-kan is a hot spring facility in Happomachi, Yamamoto County, Akita Prefecture on the Sea of Japan coast of northern Honshu, operated by a third-sector company under the name Hatahata-kan, named after the hatahata, the sandfish that is the iconic culinary symbol of Akita Prefecture. The facility underwent a major renovation in July 2007 to add lodging capabilities, and in 2006 the adjacent retail facility Buriko opened for the sale of local marine and agricultural products, making the complex a comprehensive rural tourism destination combining thermal bathing with regional food culture on the Sea of Japan coast. Hatahata is a prized seasonal fish that appears in Akita's coastal waters in winter and features prominently in local cuisine and traditional culture, making the naming of this hot spring after it a celebration of the deep connection between Akita's people and the sea that has sustained them for generations.

Insider tip — Hachimori Isaribi Onsen Hatahata-kan sits on the Sea of Japan coast in northern Akita, named after the hatahata thunder fish that spawns in these waters in late autumn. Salty sodium-chloride spring water is drawn from moderate depth and retains heat superbly, ideal for warming up after winter squid-fishing boat excursions. The ground-floor bath has plate-glass windows facing the grey winter sea, creating a dramatic contrast of warm water and cold ocean spray. Local fishermen use the baths after pre-dawn hauls, so an early-morning visit gives genuine local color.
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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).