Fudo Onsen; Hyakumangoku
Yahaba-cho, Iwate, Japan
Illustration photo — not a verified picture of this exact spot.
- Location
- Yahaba-cho, Iwate, 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
Fudo Onsen Hyakumangoku is set in Yahaba-cho, Iwate Prefecture. The sodium-chloride water flows at 41°C, pH 7.3. The site offers an indoor bath, an outdoor rotenburo and a sauna.
Insider tip — In Yahaba, directly adjacent to Morioka city, the evocative name Hyakumangoku (one million koku of productive domain) celebrates the Nanbu clan's historical wealth that made this Iwate basin one of Tohoku's most powerful medieval domains; Fudo Myoo's protective spirit and the Nambu heritage surrounding Morioka's castle site provide rich historical depth to this community onsen.
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.