Kajukai Onsen

Awa, Tokushima, Japan

Location: Awa, Tokushima, Japan
Water type: thermal
Temperature: 40 °C
pH: 7.3

Water profile

Thermicity

Sedative

40 °C

LowHigh

Relaxing — deep, immediate muscle release.

Mineralisation

Balancing

LowHigh

Rich in trace elements — gentle on the skin.

Buoyancy

Standard buoyancy

LowHigh

Soft water — natural, classic buoyancy.

BicarbonatesCalcium

Kajukai Onsen is a mineral spring hotel in Takamatsu City, Kagawa Prefecture, whose terrace view across the Seto Inland Sea and Takamatsu cityscape has been recognized as the 75th of Shikoku's 88 most celebrated scenic views—placing this spring hotel among the island's most visually spectacular destinations alongside temples and natural wonders of the famous pilgrimage circuit. The cold mineral spring (kosen) offers an experience of naturally occurring mineral-rich water in a form that complements rather than replicates the hot spring experience, with immersion in cooler, tonic waters traditionally appreciated in Japanese bathing culture for their refreshing, invigorating character. The combination of recognized scenic excellence and the view across Japan's most island-studded inland sea gives this facility a character quite distinct from the typical volcanic mountain hot spring.

Insider tip — Kajukai Onsen occupies a wooded corner of Tokushima Prefecture on Shikoku Island, where simple thermal waters have served pilgrims walking the famous 88-temple Shikoku circuit for centuries. The baths are modest but welcoming, offering weary walkers genuine relief. The local hospitality tradition called osetai, in which residents provide gifts and assistance to henro pilgrims, extends warmly to this onsen. The forested hills around the facility are spectacular in autumn foliage.

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