Tomonoura Onsen (Natural Radium Onsen)
TypeNatural Hot Spring
This natural hot spring is a simple weak radioactive cold mineral spring with one of Japan's highest radium contents. The water warms the body thoroughly from within and is said to be especially beneficial for poor circulation and recovery from fatigue. From the 6th floor, the top floor, you can look out over the unobstructed views of the calm Seto Inland Sea and Sensuijima, and fully savor exceptional relaxation and the atmosphere of bathing at your leisure.

