Kotohira Onsen; Yume Sansui (Coords Error)
Hita, Oita, Japan
Illustration photo — not a verified picture of this exact spot.
- Location
- Hita, Oita, Japan
- Water type
- thermal, sodium chloride
- Temperature
- 40 °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
Kotohira Onsen, also known as Yume Sansui, is located in Hita, Oita Prefecture. Sodium-chloride water reaches around 40°C, with an indoor bath, an outdoor rotenburo bath and a sauna.
Insider tip — 'Yume Sansui' (夢山水 — dream mountain water) at Kotohira Onsen in Hita city. 'Kotohira' shares the name of the famous Konpira Shrine in Kagawa — suggesting a branch shrine or similarly revered local Shinto site. 'Dream mountain water' is one of Japanese onsen culture's most beautiful names — capturing the contemplative, slightly unreal quality of soaking in volcanic water amid mountains, the mind drifting between waking and dream in the perfect warmth.
Nearby
Frequently asked questions
How hot is the water?
The water runs quite hot here, around 40 °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.