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Kashiwara Onsen Osaka

Kashiwara, Osaka Prefecture, Japan
Kashiwara Onsen Osaka
Location
Kashiwara, Osaka Prefecture, 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

Kashiwara, in the southeastern Osaka Prefecture at the foot of the Yamato Highlands bordering Nara, is the location of the Omiwa and Katsuragi mountain hiking network's western approach and the site of the ancient Yamato Road — one of Japan's oldest highways connecting the Kinai political heartland of Nara with the Osaka Bay port facilities — preserved in the city's historical townscape. Kashiwara Onsen Osaka draws on sodium and bicarbonate thermal waters from the geological resources of the southeastern Osaka mountain fringe, offering restorative baths at the foot of the Yamato Highlands where the mountain scenery of the Katsuragi range, the ancient Yamato Road historical heritage, and the easy Kintetsu railway access to both Osaka and Nara create a well-positioned spa destination on the Osaka-Nara highland corridor. The Katsuragi and Yamato mountain hiking trail access from Kashiwara, the ancient Yamato Road historical traces of the earliest Japanese highway culture, and the Kintetsu Osaka Line providing direct access to the Nara UNESCO heritage sites and Osaka Namba create a thoughtfully positioned natural and historical spa destination in southeastern Osaka Prefecture.

Insider tip — Kashiwara Onsen sits at the foot of the Katsuragi mountain range in southeastern Osaka Prefecture, where the alluvial plain meets wooded hills. The bicarbonate spring water at 40 degrees Celsius is drawn from a moderate depth and carries a clean mineral freshness. Kashiwara is also home to Domyoji Tenmangu shrine, so a pilgrimage morning followed by an afternoon soak makes for a well-rounded day trip from central Osaka. The bathhouse staff often provide complimentary herbal bath salts on festival days.
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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).