Tennen Onsen Naniwa no Yu
Higashiyodogawa, Osaka, Japan
- Location
- Higashiyodogawa, Osaka, Japan
- Water type
- sodium chloride, thermal
- 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
Tennen Onsen Naniwa no Yu, in Higashiyodogawa Ward, Osaka, offers sodium-chloride thermal water at 41°C. It has an indoor bath, an outdoor bath (rotenburo) and a sauna.
Insider tip — 'Naniwa' is Osaka's ancient poetic name — used in the 8th-century Man'yoshu poetry anthology and evoking the reeds and tidal flats of the ancient bay. Tennen Onsen Naniwa no Yu taps natural artesian springs beneath Osaka's dense northern neighborhoods, producing the dark sodium-chloride water characteristic of the Osaka basin's deep aquifers. A genuine neighborhood institution far from Dotonbori's crowds — the real Osaka of local families, neighborhood izakayas, and unpretentious daily life.
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 & thermal water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année.