Honmachi Onsen
Imabari, Ehime, Shikoku, Japan
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- Location
- Imabari, Ehime, Shikoku, Japan
- Water type
- sodium chloride, thermal
- Temperature
- 40 °C
- pH
- 7.3
Water profile
Thermicity
Sedative
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.
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Honmachi Onsen is located in Imabari, Ehime Prefecture, on the island of Shikoku. Sodium-chloride thermal water surfaces at 40°C, feeding an indoor bath, an outdoor rotenburo, and a sauna.
Insider tip — Imabari is the western terminus of the Shimanami Kaidō (しまなみ海道) — Japan's most celebrated cycling route, crossing 6 Seto Inland Sea islands via 7 spectacular bridges over 70 km. Cyclists completing the route from Ōnomichi to Imabari arrive exhausted and exhilarated; Honmachi Onsen (in the city center, 'main town bath') provides the perfect recovery soak. Imabari is also Japan's towel-manufacturing capital — a fitting coincidence for an onsen town.
Nearby
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 & thermal water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année.