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Geography

Corsica was formed about 250 million years ago with the uplift of a granite backbone on the western side. About 50 million years ago sedimentary rock was pressed against this granite, forming the schists of the eastern side. It is the most mountainous island in the Mediterranean, a "mountain in the sea".

The island is 183 km (114 mi) long at its longest, 83 km (52 mi) wide at its widest, has 1,000 km (620 mi) of coastline, with more than 200 beaches such as Paraguano. Corsica is very mountainous, with Monte Cinto as the highest peak at 2,706 m (8,878 ft), and around 120 other summits of more than 2,000 m (6,600 ft). Mountains comprise two-thirds of the island, forming a single chain. Forests make up 20% of the island.

It is also the fourth largest island in the Mediterranean, after Sicily, Sardinia and Cyprus.

Corsica has nature reserves covering about 3,500 km (1,400 sq mi) of the total surface area of 8,680 km (3,350 sq mi), primarily located in its interior is Parc naturel régional de Corse. Corsica contains the GR20, one of Europe's most notable hiking trails.

The island is 90 km (56 mi) from Tuscany in Italy and 170 km (110 mi) from the Côte d'Azur in France. It is separated from Sardinia to the south by the Strait of Bonifacio, which is a minimum of 11 km (6.8 mi) wide.