Ishikari Tennen Onsen; Banya no Yu

Ishikari, Hokkaido, Japan

Location: Ishikari, Hokkaido, Japan
Water type: sodium chloride, thermal
Temperature: 40 °C
pH: 7.3

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

Effortless float

LowHigh

Dense, salty water — you float without effort.

SodiumChloruresBrome

Ishikari Tennen Onsen Banya no Yu, in Ishikari on the island of Hokkaido, taps a sodium-chloride thermal spring at 40°C. It offers an indoor bath, an outdoor rotenburo and a sauna.

Insider tip — Ishikari city sits at the mouth of the Ishikari River — Hokkaido's longest and Japan's third-longest river, draining the vast interior plains of the island. The city is famed for Ishikari nabe: a miso-based hot pot with fresh Hokkaido salmon, tofu, and vegetables, warming the soul of fishermen and farmers since the Ainu people fished these waters. Banya no Yu (the name echoes the Russian banya steam bath, reflecting the Russian-Ainu cultural heritage of Hokkaido) draws coastal brine waters for a characteristically Hokkaido soak.

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