Onsen Yupopo Onsento
Semboku, Akita, Japan
- Location
- Semboku, Akita, Japan
- Water type
- sulfurous
- Temperature
- 44 °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
Onsen Yupopo Onsento is located in Semboku, Akita Prefecture, where sulfurous water emerges at 44°C. An indoor bath, an outdoor rotenburo bath and a sauna make up this bathhouse in northern Japan.
Insider tip — Semboku city encompasses Lake Tazawa (Japan's deepest lake) and Tazawako Onsen, a celebrated volcanic spa. Yupopo Onsento draws from the same volcanic system — intense sulfurous water in a lakeside setting that turns electric blue at sundown.
Nearby
Frequently asked questions
How hot is the water?
The water runs quite hot here, around 44 °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.