What Makes Sicily a Geographers' Dream? Sicily is separated from Italy by a strait just 1.9 miles wide at its narrowest point and is the largest island in the Mediterranean. It is also one of the most diverse in terms of flora, fauna and geography. The volcanic landscape is unlike any other, with the skyline dominated by Mount Etna - Europe’s largest active volcano. A visit to Mount Etna gives students a rare opportunity to get close to an active volcano. With a guided tour an expert will discuss volcanic processes and landforms along with showing examples on site, and you can explo ...