This onsen is not naturally hot but rich in minerals and considered to have potent healing properties.
Rich in iron, water is initially colorless but turns reddish when in contact with the air.
The acidic component has an antibacterial effect and helps cleanse the skin.
Often called “beauty water,” this onsen has the power to make the skin smoother.
Simple springs have low mineral composition, which makes them gentle to the skin.
The carbon dioxide in the water creates tiny bubbles that stick to the skin and warm the body.