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Kisei Onsen Mihama Mie

Mihama, Mie Prefecture, Japan
Kisei Onsen Mihama Mie
Location
Mihama, Mie 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

Mihama, in the Kisei region of southern Mie Prefecture where the Kii Peninsula curves toward the Pacific, is a quiet rural community set amid the subtropical coastal forests and traditional fishing villages of the Kumano Sea coast, within the extended sacred landscape of the UNESCO World Heritage Kumano pilgrimage routes. Kisei Onsen Mihama Mie draws on chloride-rich coastal thermal waters from the marine geological formations of the southern Mie coast, providing warming maritime baths in a remote coastal community whose isolation has preserved both traditional fishing culture and the profound atmosphere of the ancient Kumano sacred landscape surrounding the spa. The Kumano Sea coastline with its dramatic rock formations and fishing villages, the ancient Kumano Kodo trail segments through the Mihama mountains, and the subtropical vegetation of the southernmost Kii Peninsula create a remote and atmospheric thermal destination on the Pacific coast of Mie Prefecture.

Insider tip — Mihama town lies on the Kii Peninsula coast of Mie Prefecture where the Pacific Ocean meets forested headlands along a rugged shoreline. Coastal sodium-chloride springs here tap brackish water from marine sediments, producing warming brine baths that complement the sea air. The nearby Isewan Bay has historically supported pearl cultivation, and the onsen culture reflects a practical maritime heritage. Sunrise baths facing the Pacific on a clear winter morning offer some of the most invigorating spa experiences in the region.
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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).