The Cape of the Argentario in was passed a island and derived from the so-called Tirrenide, an only earth block, in great sinked part, that it comprised also puts into effect them them islands of the from Tuscany archipelago. Later on the island was connected to the mainland from two tightened earth bands, dunes increased from accumulates progressive of sand. They delimited also a space of intermediate sea, one lagoon sluice from the Argentario Mount, two dunes and the mainland. The dunes are known with the from Tuscany name of tomboli: the Tombolo of the Giannella to north, and the Tombolo of the Feniglia to south. The intermediate lagoon, that it takes the Lagoon name of Orbetello, has an extension of 26 square kilometers and one inferior depth to the 2 meters. It communicates with the sea through the channels of Nassa and Ansedonia, and with the Albegna river through the New Channel of Fibbia or of You go up some. The Argentario is characterized from a uneven territory that catches up its summit higher to 635 meters, in the Mount Telegraph.
And 'almost entirely covered by Mediterranean scrub, but there are areas devoted to agriculture (olives, vines, fruit trees). Of the two dunes, the Feniglia has kept for the entire vegetation and is entirely covered by pine woods. It 'a fascinating spectacle, almost tropical, see this long stretch that borders arborea only with the beach. While tomboli have a beach several kilometers long, the beaches of Monte Argentario are not large. In fact, the whole coast is jagged and only sometimes in the bays are small beaches, whose origin is in deposits that formed when streams flow into the sea. Another aspect dell'Argentario not well known to tourists, is the wealth in caves. They are distinguished according to nature: coastal caves must origin erosive action of the sea, those internal depend on the karst. Given the extraordinary beauty and uniqueness of the landscape, it is not surprising if the most important economic resource dell'Argentario is based on tourism, mainly elite, but also popular.
Località: Monte Argentario