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Jisō no yu

Sano, Tochigi, Japan
Jisō no yu

Illustration photo — not a verified picture of this exact spot.

Location
Sano, Tochigi, Japan
Water type
thermal
Temperature
38 °C
pH
7.3

Water profile

Thermicity
Neutral
38 °C
LowHigh

Soothing — neither hot nor cold, perfect balance.

Mineralisation
Balancing
LowHigh

Rich in trace elements — gentle on the skin.

Buoyancy
Standard buoyancy
LowHigh

Soft water — natural, classic buoyancy.

BicarbonatesCalcium

Jiso no Yu—the Waters of Jizo—takes its name from Jizo Bosatsu, the beloved Buddhist bodhisattva of protection and mercy who watches over travelers, children, and those in hardship, whose red-capped stone statues stand at crossroads and mountain trails throughout Japan as silent guardians of the vulnerable. Located in Ashikaga, Tochigi Prefecture—home of Japan's oldest traditional school, the Ashikaga Gakko founded in the ninth century—this simple thermal spring facility bathes visitors in mineral waters associated with the protective presence of one of Japan's most widely venerated Buddhist figures. The combination of Ashikaga's deep historical legacy of learning and the gentle waters of a Jizo-named spring creates a bathing experience imbued with cultural depth and spiritual resonance.

Insider tip — Jisō no Yu in the Sano region of Tochigi lies in the southwestern hills of the prefecture, in a landscape between the Kanto plain and the mountains near Ashio. The springs serve a quiet rural area near Sano, famous for Sano ramen with its distinctive bamboo-pressed noodles and its great Yakuyoke-Daishi temple, where the gentle hills and the rich culinary traditions of southern Tochigi combine in an unpretentious country onsen experience.
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Frequently asked questions

How hot is the water?
The water is neutral here, around 38 °C — a perfect balance, neither too hot nor too cold.
What type of water is found here?
This spot features thermal water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année.