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Ohtawara Onsen Tochigi

Otawara, Tochigi, Japan
Ohtawara Onsen Tochigi
Location
Otawara, Tochigi, Japan
Water type
bicarbonate
Temperature
40 °C
pH
8

Water profile

Thermicity
Sedative
40 °C
LowHigh

Relaxing — deep, immediate muscle release.

Mineralisation
Restorative
LowHigh

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

Buoyancy
Standard buoyancy
LowHigh

Soft water — natural, classic buoyancy.

BicarbonatesSodiumCalcium

Otawara, in the northern Tochigi highlands along the Naka River, is a traditional agricultural and military city at the foot of the Nasu volcanic highland, historically significant as the domain of the Otawara clan whose castle town developed as a prosperous gateway community to the Nasu highland hunting grounds favored by generations of Tokugawa shoguns. Ohtawara Onsen Tochigi draws on sodium and bicarbonate thermal waters from the geothermal resources of the northern Tochigi zone at the base of the Nasu volcanic range, providing restorative baths in an agricultural city whose position as the gateway to the Nasu Kogen highland resort and spa area creates a natural stopping point for travellers heading to one of northern Tochigi's most popular resort regions. The Nasu Kogen highland plateau with its numerous hot spring resorts, the Yaita-Nasu cycling road through volcanic grasslands, and the traditional cha-no-yu (tea ceremony) culture of Otawara, which has produced notable tea practitioners in the Edo period, make this an appealing northern gateway spa destination in Tochigi Prefecture.

Insider tip — Otawara lies in northern Tochigi where the Naka River carves through rolling farmland, and its bicarbonate spring taps into the thermally active crust that stretches toward the Nasu volcanic belt. The clear, lightly mineralized water is gentle enough for daily bathing and children. The area is also famous for its buckwheat cultivation, so a soba lunch pairs naturally with an afternoon soak.
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Frequently asked questions

How hot is the water?
The water runs quite hot here, around 40 °C — a sedative water that brings immediate muscle release.
What type of water is found here?
This spot features bicarbonate water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année (idéal automne-hiver).