Kanda Onsen
Osaka, Osaka Prefecture, Japan
- Location
- Osaka, Osaka Prefecture, Japan
- Water type
- iron-rich
- Temperature
- 41 °C
- pH
- 6.3
Water profile
Thermicity
Sedative
LowHigh
Relaxing — deep, immediate muscle release.
Mineralisation
Bio-active
LowHigh
Rich in active gases or metals — a strong mineral character.
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
FerBicarbonatesManganèse
Kanda Onsen is located in Osaka, in the prefecture of the same name. The iron-rich, slightly acidic water (pH 6.3) reaches around 41 °C (106 °F). The facility includes an indoor bath, an outdoor rotenburo bath and a sauna.
Insider tip — Kanda Onsen taps a deep geothermal aquifer beneath the dense urban fabric of Osaka, drawing iron-rich water that turns amber-brown on contact with air. The city sento culture surrounding this bathhouse traces back centuries when communal bathing was the neighborhood social anchor. The strong iron mineral content is said to warm the body from within and ease fatigue after long workdays. Arrive after 21:00 for a quieter soak when the after-work rush has subsided.
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 iron-rich water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année (idéal automne-hiver).