Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
BicarbonatesSodiumCalcium
Ukena District was a district located in central Iyo Province(Ehime Prefecture). Due to the 1878 Land Reforms, the district was separated into 2 districts written below.Kamiukena District - Active
Shimoukena District - In 1896 the district was absorbed by both Iyo and Onsen District and thereby dissolved
Insider tip — Set inland from Matsuyama in Tobe, the town famous for its white Tobe-yaki pottery, this onsen provides gently alkaline bicarbonate water that soothes aching joints. The surrounding hills are planted with mikan orange groves whose citrus scent drifts on cool autumn evenings. Visiting potters' workshops before an afternoon soak makes for a rewarding cultural half-day.