Ischia has over a hundred hot and cold water sources and courses that. In an area of 47 square kilometers with different levels of minerals.
Experts say: The sources that are located at an altitude of 100 to 400 m, are half-mineral, and only slightly hot. On the contrary, as the waters from the 100 meters at sea level it is highly thermal-healing and rich in beneficial minerals.
It is impossible to list all sources, almost every hotel has a thermal spring that offers its guests.