Naka Izu Onsen Kusanagi no Yu
Izu, Shizuoka, Japan
- Location
- Izu, Shizuoka, Japan
- Water type
- sulfurous
- Temperature
- 42 °C
- pH
- 6.5
Water profile
Thermicity
Sedative
LowHigh
Relaxing — deep, immediate muscle release.
Mineralisation
Bio-active
LowHigh
Rich in active gases or metals — a strong mineral character.
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
SoufreSulfuresSulfates
Naka Izu Onsen Kusanagi no Yu, located in Izu, Shizuoka Prefecture, draws sulfurous water at 42°C. The bathhouse offers an indoor bath, an outdoor rotenburo and a sauna.
Insider tip — Naka Izu Onsen Kusanagi no Yu occupies the lush interior of the Izu Peninsula, where volcanic activity produces richly sulfurous water at around 42°C. The facility name Kusanagi evokes the legendary sword, giving the bath a mythic character. Bamboo groves and cedar hillsides surround the building, creating a serene forest retreat. Come in autumn when the foliage turns gold and the misty air creates an incomparably soothing atmosphere.
Nearby
Higashi Shizuoka Tennen Onsen; Yunoki no Sato
Shizuoka, Shizuoka
Sunpu Tennen Onsen; Tenjin no Yu
Shizuoka, Shizuoka
Shizuoka Shimizu Onsen
Shimizu, Shizuoka Prefecture
Shizuoka Suruga Onsen
Shizuoka, Shizuoka Prefecture
Shizuoka Aoi Onsen
Shizuoka (Aoi Ward), Shizuoka Prefecture, Japan
Abekawa Onsen Shizuoka City
Abekawa, Shizuoka City
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 sulfurous water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année (idéal automne-hiver).