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Omura Onsen Nagasaki

Omura, Nagasaki Prefecture, Japan
Omura Onsen Nagasaki
Location
Omura, Nagasaki Prefecture, Japan
Water type
sodium chloride
Temperature
40 °C
pH
7.3

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
Effortless float
LowHigh

Dense, salty water — you float without effort.

SodiumChloruresBrome

Omura Onsen Nagasaki is located in Omura City, Nagasaki Prefecture, on the shores of Omura Bay — one of Japan's most sheltered and biologically rich enclosed bays, designated as a bird sanctuary for its internationally significant migratory waterfowl populations and known for the cherry blossom festival at Omura Park, one of the most celebrated sakura viewing spots in Kyushu. The chloride-rich hot spring waters of Omura draw from the coastal geothermal activity beneath the bay's shoreline, providing warm mineral baths appreciated during the cooler months when steam rising from outdoor pools mirrors the morning mist over the bay's calm enclosed waters. Omura also holds the distinction of being the ancestral domain of Omura Sumitada, the first Japanese feudal lord to convert to Christianity in the 16th century, adding a unique historical dimension to this bay-side onsen city.

Insider tip — Omura sits on the shore of Omura Bay, the landlocked inner sea of Nagasaki Prefecture that was once a major hub of Christian daimyo culture during the Sengoku period. The hot spring waters here rise through marine sedimentary deposits, giving them their sodium-chloride character and pleasant body-warming effect. The bay's sheltered waters are famous for oyster farming, and the local cuisine pairing fresh oysters with a warm onsen soak is a distinctive regional pleasure. Spring cherry blossoms along the bay shore make March an especially beautiful time to visit.
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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 sodium chloride water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année (idéal automne-hiver).