Miyagino Onsen Kaikan
Hadano, Kanagawa, Japan
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- Location
- Hadano, Kanagawa, 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
Miyagino Onsen Kaikan, in Hadano (Kanagawa prefecture), uses sodium-chloride water at 41°C. The complex brings together an indoor bath, an outdoor rotenburo bath, and a sauna at the edge of the Tanzawa mountains.
Insider tip — Miyagino Onsen Kaikan is a community bathhouse in Hadano, a city at the foot of the Tanzawa Mountains in Kanagawa Prefecture. The saline thermal water from the Kanto region's deep aquifers keeps bathers warm through cool mountain winters and relieves the aches of hiking season. Hadano is a quiet getaway from nearby Yokohama and Tokyo, and this onsen is a local institution for post-hike recovery. Weekend mornings are peaceful here, with views of the Tanzawa foothills framed by sliding wooden bath doors.
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 (idéal automne-hiver).