Tenroku Onsen
Joto Ward, Osaka, Japan
- Location
- Joto Ward, Osaka, 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
A small onsen in Joto Ward, Osaka, Tenroku Onsen draws on sodium-chloride water. The water emerges at around 41°C. The site includes an indoor bath, a sauna and massage services.
Insider tip — Tenroku Onsen is an urban sento in the Joto district of eastern Osaka, where saline sodium-chloride waters are piped in to serve the local neighborhood. Sento bathhouses like this one are a cornerstone of Osaka's working-class neighborhood culture, providing affordable communal bathing with mineral-rich water. The waters promote circulation and skin hydration, making them popular with elderly regulars year-round. Arriving just after opening time offers the most tranquil soak before the evening rush of neighborhood patrons.
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).