Irifune Onsen
Osaka, Osaka, Japan
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- Location
- Osaka, Osaka, Japan
- Water type
- thermal, sodium chloride
- Temperature
- 38 °C
- pH
- 7.3
Water profile
Thermicity
Neutral
LowHigh
Soothing — neither hot nor cold, perfect balance.
Mineralisation
Restorative
LowHigh
Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Effortless float
LowHigh
Dense, salty water — you float without effort.
SodiumChloruresBrome
Located in Osaka, Osaka, Irifune Onsen is a traditional onsen fed by sodium-chloride water. The water emerges at around 38°C. Facilities include an indoor bath, an open-air bath (rotenburo) and a sauna. A relaxing stop for travellers in the region.
Insider tip — 'Irifune' (entering ship) Onsen evokes Osaka's historic identity as a port city. A neighbourhood sento in southern Osaka tapping warm artesian waters. The maritime imagery in the name reflects the city's merchant heritage — this is old Namba/Tennoji territory.
Nearby
Frequently asked questions
How hot is the water?
The water is neutral here, around 38 °C — a perfect balance, neither too hot nor too cold.
What type of water is found here?
This spot features thermal & sodium chloride water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année.