The Calanques de Piana and Scandola Nature Reserve are listed on the UNESCO World Heritage List. The island is 183 kilometres (114 miles) long at longest, 83 kilometres (52 miles) wide at widest, has 1,000 kilometres (620 miles) of coastline, more than 200 beaches, and is very mountainous, with Monte Cinto as the highest peak at 2,706 metres (8,878 feet) and around 120 other summits of more than 2,000 metres (6,600 feet).