Oto no Hana Onsen
Ikoma, Nara, Japan
- Location
- Ikoma, Nara, 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
Oto no Hana Onsen is located in Ikoma, Nara Prefecture. Its sodium-chloride water reaches 41°C, pH 7.3. The site offers a covered bath, an outdoor rotenburo and a sauna.
Insider tip — On the Ikoma Mountain ridge that forms the natural boundary between Osaka and Nara, Oto no Hana Onsen (sound flower spring) sits in a city famous for the Ikoma Sanjo Amusement Park and Hozanji Temple; the mountain setting offers cooling breezes from both the Yamato Plain and the Osaka Bay direction, making this ridge-top spa exceptional in summer heat.
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.