Etna, the most active volcano in the entire world, called also Mongibello, is located in the middle of the east coast.
The Vulcano has a diameter of 40 km and 3.300 meters height.
The top has got 3 main craters.
On the east side there are 3 valleys called Valle del Bove, Valle del Leone and Val Calanna.
In 2013 has been declared world heritage, a must see.