Ushioashiya Onsen; Spa Suiharu
Ashiya, Hyogo, Japan
- Location
- Ashiya, Hyogo, 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
Ushioashiya Onsen Spa Suiharu, in Ashiya, Hyogo Prefecture, offers sodium-chloride water at 41°C, with an indoor bath, an outdoor rotenburo and a sauna.
Insider tip — Ushioashiya Onsen Spa Suiharu occupies an upscale residential district between Kobe and Osaka, drawing coastal saline thermal water suited to Hyogo's affluent spa market. The name Ushio means tide, and the sodium-chloride composition at 41°C gives a warming saltwater immersion that rivals genuine seaside bathing. Elegantly designed pools and a rooftop outdoor bath face the hillside greenery of the Rokko mountains. The facility is a favourite among Kobe business travellers and Osaka day-trippers seeking refined bathing without leaving the Hanshin corridor.
Nearby
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 (idéal automne-hiver).