Yoshioka Onsen; Yutoragikan
Fukushima-cho, Hokkaido, Japan
- Location
- Fukushima-cho, Hokkaido, 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
Yoshioka Onsen (Yutoragikan) is located in Fukushima-cho, at the southwestern tip of Hokkaido, by the sea. The sodium-chloride water flows at 42°C, pH 7.3. The site combines an indoor bath, an outdoor rotenburo bath and a sauna.
Insider tip — Yutoragikan, the leisure pavilion, serves Fukushima-cho in southern Hokkaido near the Matsumae Peninsula where Japan northernmost traditional Japanese castle stands. The community shares its name with Fukushima Prefecture on Honshu but is completely separate — a reminder of the complex naming history of Hokkaido colonisation.
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.