Shichirigawa Onsen
Katsuura, Chiba, Japan
- Location
- Katsuura, Chiba, Japan
- Water type
- sodium chloride
- Temperature
- 40 °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
Shichirigawa Onsen is a bathhouse located in Katsuura, Chiba Prefecture, Japan, on the Bōsō Peninsula. The sodium-chloride water reaches around 40°C. Indoor and outdoor baths (rotenburo), plus a sauna, round out the facilities.
Insider tip — Shichirigawa Onsen on the Pacific coast of the Bōsō Peninsula in Chiba lies in the Sotobō region of rugged cliffs, surfing beaches, and fishing ports facing the open Pacific. The sodium-chloride coastal springs serve a landscape of dramatic seascapes and mild winters near Katsuura, where the warm Kuroshio current moderates the climate, and where the combination of ocean views, fresh seafood, and saltwater hot springs defines the appeal of Chiba's wild eastern coast.
Nearby
Frequently asked questions
How hot is the water?
The water runs quite hot here, around 40 °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.