Miyama Ryoyo Onsenkan
Hidakagawa, Wakayama, Japan
- Location
- Hidakagawa, Wakayama, 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
Miyama Ryoyo Onsenkan, in Hidakagawa, Wakayama Prefecture, taps sodium-chloride thermal water at 41°C, with an indoor bath, an open-air outdoor bath (rotenburo) and a sauna for visitors.
Insider tip — Miyama Ryoyo Onsenkan serves Hidakagawa-cho in the Hidaka River valley where the river cuts through the most densely forested section of the Kii Peninsula between the Ryujin highland springs and the Pacific coast. The Hidakagawa valley is one of Japan great centers of bincho-tan white charcoal production — the ubame oak converted by ancient charcoal-burning techniques into the purest carbon fuel in the world, prized by tea ceremony masters and sushi chefs for its clean sustained heat and distinctive musical ring when two pieces are struck together.
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.