Tennen Onsen; Yayoi no Yu
Obihiro, Hokkaido, Japan
Illustration photo — not a verified picture of this exact spot.
- Location
- Obihiro, Hokkaido, 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
Tennen Onsen (Yayoi no Yu), also in Obihiro, Hokkaido, offers sodium-chloride water at 41°C, with an indoor bath, an outdoor rotenburo bath and a sauna.
Insider tip — Yayoi no Yu (spring season waters) in Obihiro celebrates the renewal spirit of the Yayoi period and the Japanese spring season — a particularly evocative name in Hokkaido where winter lingers and spring's arrival is cause for genuine celebration; this natural hot spring is one of several in Obihiro that collectively make the Tokachi Plain an unexpectedly rich thermal destination within Hokkaido's agricultural heartland.
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.