Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
BicarbonatesSodiumCalcium
Iwataki Onsen is situated in Kyoto Prefecture in the ancient cultural heartland of Japan, where its bicarbonate and simple thermal waters offer a peaceful contrast to the historical grandeur of Kyoto's temples, imperial gardens, and centuries-old craft traditions. The gentle mineral composition of the spring produces water that is naturally alkaline and skin-softening, complementing the refined aesthetic sensibility long associated with the former Yamashiro Province and its culture of understated beauty. Iwataki Onsen invites visitors to discover Kyoto's quieter rural dimension, where traditional thermal bathing coexists with ancient agricultural landscapes and the unhurried rhythms of life beyond the city's famous cultural circuit.
Insider tip — Iwataki Onsen sits in the northern Kyoto Prefecture region near Maizuru on the Sea of Japan coast, a landscape markedly different from the temples and gardens of central Kyoto. The bicarbonate water here produces a soft alkaline bath that is gentle on the skin, drawing visitors from the industrial and port communities of the Maizuru area. The rugged Tamba highland hills separating the sea coast from the Kyoto basin give this spring a wild, remote character despite its proximity to major cities. Fresh crab and other Sea of Japan seafood accompany onsen stays at the local inns.
