Katakuri Onsen; Bonbo
Tsuruoka, Yamagata, Japan
Illustration photo — not a verified picture of this exact spot.
- Location
- Tsuruoka, Yamagata, Japan
- Water type
- sodium chloride
- Temperature
- 41 °C
- pH
- 7.3
Water profile
Thermicity
Sedative
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
Katakuri Onsen (Bonbo), in Tsuruoka, Yamagata prefecture, draws on a sodium-chloride spring at 41°C, with an indoor bath, an outdoor rotenburo and a sauna.
Insider tip — In Tsuruoka, designated a UNESCO Creative City of Gastronomy for its extraordinary culinary heritage — fermented foods, heirloom vegetables, and Buddhist shojin ryori cuisine from Dewa Sanzan mountain temples — Katakuri Onsen (dogtooth violet spring) blooms with the subtle beauty of its namesake spring wildflower; soak after a day on the Dewa Sanzan mountain pilgrimage paths or at the outstanding Shonai Food Culture Museum.
Nearby
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Yutagawa Onsen Tsuruoka
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Watanabe Onsen
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Shonai Onsen Suiden Terrasse
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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.