Tsukinosawa Onsen Sunayukko
Nishiwaga, Iwate, Japan
- Location
- Nishiwaga, Iwate, 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
Tsukinosawa Onsen Sunayukko is located in Nishiwaga, Iwate Prefecture. Its sodium-chloride water flows at 42°C, pH 7.3. The facility offers an indoor bath, an outdoor rotenburo bath and a sauna.
Insider tip — Sunayukko offers sand baths alongside traditional spring bathing at Tsukinosawa, part of the Yuda Onsen district of Nishiwaga. Yuda Onsen is one of Iwate most storied spa resorts, where hot sand baths — guests buried up to the neck in geothermally heated mineral sand — have been offered since the Edo period.
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.