Mizusawa Ishida Onsen
Ōshū, Iwate, Japan
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- Location
- Ōshū, Iwate, Japan
- Water type
- sodium chloride
- Temperature
- 42 °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.
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Mizusawa Ishida Onsen is located in Ōshū, Iwate Prefecture, in northeastern Japan. The sodium-chloride water flows at 42°C, pH 7.3. An indoor bath, an outdoor rotenburo bath and a sauna are on offer.
Insider tip — Mizusawa Ishida Onsen serves the Mizusawa district of Ōshū City, one of Iwate oldest established towns and home to the Mizusawa VLBI Observatory, a key station in the global Very Long Baseline Interferometry network that tracks continental drift and polar motion across the Pacific. The castle town history of Mizusawa runs back to the 8th-century Isawa no Ki fortress on the Kitakami River.
Nearby
Frequently asked questions
How hot is the water?
The water runs quite hot here, around 42 °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.