Kenko Tennen Onsen; Yaobo
Yamagata, Yamagata, Japan
- Location
- Yamagata, Yamagata, Japan
- Water type
- sodium chloride
- Temperature
- 42 °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
Kenko Tennen Onsen, also known as Yaobo, is set in Yamagata city, the prefectural capital. Its sodium-chloride water flows at 42°C with a pH of 7.3, alongside an indoor bath, a rotenburo and a sauna.
Insider tip — Yaobo health spring serves the Yamagata basin where the city of Yamagata is ringed by renowned onsen districts including Zao and Tendo. The Dewa Sanzan sacred mountains are a short drive away, and Yamagata cherry (sato nishiki) and imoni hotpot are essential local pleasures after the bath.
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 sodium chloride water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année.