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Kasama Onsen

Kasama, Ibaraki, Japan
Kasama Onsen
Location
Kasama, Ibaraki, 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

Kasama Onsen is located in Kasama City, Ibaraki Prefecture, a city of remarkable cultural vitality known throughout Japan for two extraordinary specialties: the Kasama Inari Shrine — one of Japan's three great Inari shrines dedicated to the fox deity of rice and commercial success, with millions of annual worshippers visiting during the Chrysanthemum Festival — and the Kasama pottery tradition, whose distinctive stoneware craftsmanship has established this Ibaraki city as one of the Kanto region's most celebrated folk ceramic centers. The siliceous thermal waters here complement a city where Shinto shrine culture, folk pottery traditions, and chrysanthemum cultivation create an extraordinary combination of religious devotion and artisanal heritage. Bathing at Kasama Onsen after visiting the great Inari shrine and the pottery studios that have made Kasama synonymous with Kanto folk craft provides a complete cultural and thermal wellness experience in one of Ibaraki's most artistically and spiritually vibrant cities.

Insider tip — Kasama is famous for its Inari shrine and craft-pottery tradition, and visiting bathers can pair a sento session with a tour of the local kiln district. Sodium-chloride waters rise from marine sedimentary formations beneath the rolling hills of central Ibaraki. The mineral-rich brine is particularly warming in winter and helps ease joint stiffness. A cup of locally roasted chestnut tea in the waiting room is a signature hospitality touch.
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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).