Mahoroba Onsen; Usa
Usa, Oita, Japan
- Location
- Usa, Oita, Japan
- Water type
- sulfurous
- Temperature
- 42 °C
- pH
- 6.5
Water profile
Thermicity
Sedative
LowHigh
Relaxing — deep, immediate muscle release.
Mineralisation
Bio-active
LowHigh
Rich in active gases or metals — a strong mineral character.
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
SoufreSulfuresSulfates
Located in Usa, Oita Prefecture, Mahoroba Onsen; Usa draws sulfurous water at 42°C. The facility combines an indoor bath, an outdoor bath (rotenburo) and a sauna, in a simple, functional setting favored by regulars.
Insider tip — Mahoroba Onsen in Usa, Oita Prefecture, draws on the volcanic hydrothermal system associated with the Beppu-Shimabara graben, one of the world's most thermally active rift zones. The sulfurous waters emerge at 42 degrees Celsius and carry the gentle eggy aroma characteristic of Oita's most prized springs. Usa is home to Usa Jingu, the oldest and most important Hachiman shrine in Japan — combining a spiritual visit with a soothing soak at Mahoroba is a traditional Oita itinerary.
Nearby
Frequently asked questions
How hot is the water?
The water runs quite hot here, around 42 °C — a sedative water that brings immediate muscle release.
What type of water is found here?
This spot features sulfurous water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année (idéal automne-hiver).