Salty water. The salt leaves a thin film on the skin, so you stay warm well after leaving the bath.
Smooth, slightly slippery water. Often nicknamed bihada-no-yu, the water for beautiful skin.
Clear water with a faintly bitter taste. Known for holding heat.
Contains trace radon that leaves the water quickly. Also called radium or radon springs.
35.4580, 134.9662 — open the map
Planning a first soak? Read how an onsen stay works, and what to do if you have tattoos.