Karna Park; Hanatateyama Onsen
Chikuzen, Fukuoka, Japan
- Location
- Chikuzen, Fukuoka, Japan
- Water type
- thermal, sodium chloride
- Temperature
- 39 °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
Karna Park, home to Hanatateyama Onsen, is located in Chikuzen, Fukuoka Prefecture. Its sodium-chloride water reaches around 39°C, with an indoor bath, an outdoor rotenburo bath and a sauna.
Insider tip — 'Hanatateyama Onsen' (花立山 — flower-standing mountain) at Karna Park in Chikuzen-cho, Asakura-gun, Fukuoka. 'Karna' may reference the Sanskrit warrior-hero of the Mahabharata, adding an unexpected Indian mythological layer to this Fukuoka rural spa park. Hanatateyama (416 m) is a local peak known for its seasonal wildflowers. Chikuzen-cho sits on the fertile筑紫 (Tsukushi) plain — the ancient heartland of northern Kyushu civilization, settled since at least the Yayoi period.
Nearby
Frequently asked questions
How hot is the water?
The water runs quite hot here, around 39 °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.