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Kamogawa Onsen

Kamogawa, Chiba Prefecture, Japan
Kamogawa Onsen
Location
Kamogawa, Chiba Prefecture, Japan
Water type
sodium chloride
Temperature
41 °C
pH
7.3

Water profile

Thermicity
Sedative
41 °C
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

Kamogawa Onsen is located in Kamogawa City, Chiba Prefecture, at the southwestern tip of the Boso Peninsula on the Pacific Ocean, a coastal city famous for Kamogawa SeaWorld — one of Japan's most beloved ocean theme parks where killer whale performances and beluga whale encounters have delighted visitors for decades. The siliceous thermal waters here complement a resort city whose warm Pacific microclimate, wide sandy beaches, and fresh seafood make it one of the Tokyo metropolitan area's most popular and accessible seaside getaways, just 90 minutes from the capital by highway bus. Bathing at Kamogawa Onsen after a day of marine mammal encounters and Pacific beach recreation provides the perfect warm conclusion to an archetypal Japanese coastal resort experience, where the therapeutic mineral waters soothe bodies energized by the ocean activities that have made this Chiba coastal city a beloved institution in Kanto leisure culture.

Insider tip — Kamogawa Onsen sits on the southern Boso Peninsula, where sodium-chloride springs emerge near a coastline famous for warm Kuroshio-influenced waters. The town is also home to Kamogawa Sea World, making this a practical family destination where adults can soak while children enjoy the marine park. Dawn soaks in outdoor pools with Pacific views are particularly memorable in winter.
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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).