Free-flow from source
Takanoko Onsen No. 4 Spring
A highly alkaline hot spring with a source temperature of 47°C and pH 9.2, bubbling up from 1,200 m underground. In the open-air bath, you can enjoy it as free-flowing natural spring water with no dilution or reheating. Rich in natural carbonation, it gives you the unique sensation of your whole body being wrapped in fine bubbles when you bathe. It has strong skin-beautifying benefits, leaving your skin smooth and silky, and after bathing your skin feels soft and refined. Because fresh source water is constantly flowing in, the spring’s natural benefits are maximized and it is also excellent for relieving fatigue.