Hakucho Onsen
Ayagawa, Kagawa, Japan
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- Location
- Ayagawa, Kagawa, 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
Hakucho Onsen is located in Ayagawa, Kagawa Prefecture, on the island of Shikoku. Its sodium-chloride thermal water emerges at 38°C. The facility offers an indoor bath, an outdoor bath (rotenburo) and a sauna for a relaxing break.
Insider tip — 'Hakucho' (white bird/swan) Onsen is a second facility in Ayagawa, a small Kagawa town known for its rural character and proximity to Kotohira-gu (Konpira Shrine) — one of Shikoku's most visited pilgrimage sites. The white-bird name evokes the cranes of the Seto Inland Sea skies.
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.