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Aichi Mihama Onsen

Mihama, Aichi, Japan
Aichi Mihama Onsen
Location
Mihama, Aichi, Japan
Water type
bicarbonate
Temperature
40 °C
pH
8

Water profile

Thermicity
Sedative
40 °C
LowHigh

Relaxing — deep, immediate muscle release.

Mineralisation
Restorative
LowHigh

Loaded with major ions — the essential minerals (Ca, Mg).

Buoyancy
Standard buoyancy
LowHigh

Soft water — natural, classic buoyancy.

BicarbonatesSodiumCalcium

Mihama, on the Chita Peninsula coast of western Aichi Prefecture facing Mikawa Bay, is a scenic coastal resort community whose Morozaki fishing harbour, traditional squid fishing culture, and the dramatic Cape Morozaki lighthouse at the tip of the Chita Peninsula create an appealingly maritime and scenic spa setting on the inner bay coast of the Aichi Pacific seaboard. Aichi Mihama Onsen draws on chloride-rich coastal thermal waters from the marine geological formations of the Chita Peninsula Mikawa Bay coast, offering warming maritime baths in a seaside community whose fishing harbour culture, Cape Morozaki lighthouse views, and the fresh squid and pacific octopus cuisine of the Chita coast create a pleasantly authentic and maritime spa setting. The Cape Morozaki lighthouse views across Mikawa Bay toward the Atsumi Peninsula, the Morozaki fishing harbour fresh squid catch culture, and the Chita Peninsula resort cycling route along the bay coastline make Mihama a pleasantly maritime and scenically rewarding coastal spa destination at the southern tip of the Chita Peninsula in western Aichi Prefecture.

Insider tip — Mihama sits at the southern tip of the Chita Peninsula overlooking the Pacific, and the onsen here benefits from that coastal setting with soothing bicarbonate water and occasional sea breezes reaching the outdoor baths. The peninsula's gentle hills and citrus orchards create a relaxed, resort-like atmosphere. Early autumn is ideal, when the sea remains warm enough for beach activities before a post-swim onsen session.
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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 bicarbonate water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année (idéal automne-hiver).