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Kii Nagashima Onsen Mie

Kii-Nagashima, Mie, Japan
Kii Nagashima Onsen Mie
Location
Kii-Nagashima, Mie, Japan
Water type
sodium chloride
Temperature
45 °C
pH
7.3

Water profile

Thermicity
Sedative
45 °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

Kii Nagashima Onsen Mie is a fishing village hot spring in the Kii Nagashima district of Mihama Town on the rugged Pacific coast of Mie Prefecture's Kii Peninsula, Japan, a remote and dramatically scenic area of deep bays, steep forested headlands, and traditional bonito fishing culture along the ancient Kumano pilgrimage coast. The naturally chloride-sodium spring waters offer a deeply warming saline mineral soak, characteristic of the Kii coastline's geothermal zone, prized for relieving the physical demands of maritime work and trekking the dramatic coastal trails. In one of Japan's most unspoiled coastal environments, far from major tourist infrastructure, Kii Nagashima Onsen provides an extraordinarily authentic and peaceful hot spring experience for travelers exploring the sacred, wild beauty of the Kii Peninsula.

Insider tip — Kii Nagashima Onsen sits where the Kii Mountains meet the Pacific on Mie's wild southern coast, an area famous for its deep-sea fishing and dramatic rocky shores. The very hot sodium-chloride water at 45 °C demands short plunges alternated with cool-down breaks, a local bathing rhythm the fishermen call kaidan-buro. The nearby morning fish market, open from 5 am, sells the catch that arrives through the night.
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Frequently asked questions

How hot is the water?
The water runs quite hot here, around 45 °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).