Hosenji Onsen; Seseragi no Yu
Kokonoe, Oita, Japan
- Location
- Kokonoe, Oita, Japan
- Water type
- thermal, 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
Hosenji Onsen, also known as Seseragi no Yu, is located in Kokonoe, Oita Prefecture. Its sodium-chloride water reaches around 41°C, with an indoor bath, an outdoor rotenburo bath and a sauna.
Insider tip — 'Seseragi no Yu' (せせらぎの湯 — babbling brook spring) at Hosenji Onsen in Kokonoe-machi, Oita — home of the Kuju mountain range and the Kokonoe 'Yume' Suspension Bridge (173 m high, 390 m long — the highest pedestrian bridge in Japan). 'Seseragi' is the Japanese word for the musical sound of shallow water flowing over rocks — one of the most evocative sounds in the Japanese aesthetic vocabulary. The babbling brook of Kokonoe's forested river valley flows past this onsen toward the dramatic highland plateau above.
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 thermal & sodium chloride water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année.