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Tono Onsen Furusato

Tono, Iwate, Japan
Tono Onsen Furusato
Location
Tono, Iwate, Japan
Water type
bicarbonate
Temperature
39 °C
pH
8

Water profile

Thermicity
Sedative
39 °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

Tono Onsen Furusato is situated in Tono City, Iwate Prefecture, universally celebrated in Japan as the spiritual homeland of folk legend and supernatural folklore, whose mystique was permanently fixed in national consciousness by Yanagita Kunio's 1910 masterwork Tono Monogatari, a collection of supernatural tales featuring water sprites (kappa), house spirits (zashiki warashi), shapeshifting foxes, river gods, and ancestral ghosts gathered from local villagers in language of extraordinary evocative power. The Tono basin retains the magariya L-shaped thatched farmhouses that appear in the illustrations of the original Monogatari, and kappa statues line the banks of the Sarugaishi River where the green water sprites are still said to lurk beneath the surface waiting for unwary travelers and children. The simple mineral spring waters here restore body and imagination equally in a city where Japan's most beloved body of folk supernatural legend was first written down and where the uncanny remains closer to the surface of everyday life than anywhere else in the country.

Insider tip — Tono sits in a wide mountain basin in central Iwate, famed for its kappa folklore and preserved traditional farmhouses, and its Furusato onsen mirrors the area's deeply rural character. The spring waters here carry a sodium-sulfate profile that softens the skin and eases muscle fatigue accumulated from mountain hiking trails. Bathing in the mellow 39°C pools while snow dusts the surrounding Tono Basin in winter is a classic Tohoku experience.
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Frequently asked questions

How hot is the water?
The water runs quite hot here, around 39 °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).