Sonowa Shin Onsen
Amagasaki, Hyogo, Japan
Illustration photo — not a verified picture of this exact spot.
- Location
- Amagasaki, 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
Sonowa Shin Onsen is located in Amagasaki, Hyogo prefecture, near Osaka. Sodium-chloride water emerges here at 41°C, feeding an indoor bath and a rotenburo, with an on-site sauna.
Insider tip — Sonowa Shin Onsen is one of several neighbourhood onsen in Amagasaki drawing from the ancient marine sediments beneath Osaka Bay. The dark kuro-yu black water is a staple of working-class Hanshin culture and the bathhouse keeps long hours for shift workers.
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.