Quali sono le origini del lago?

If you're talking about the Lake Burano, near Capalbio, it is not a lake of volcanic origin: it is an ancient coastal pond formed behind a line of dunes. Rainwater, groundwater and small streams accumulated in this depression, while the sands brought in by the sea gradually separated the basin from the coast. The landscape therefore took shape little by little, along with the evolution of the coastline, rather than as the result of a single event.

The basin remains brackish: salt water can seep in from the sea, and canals have also connected the lake to the coast at different periods. Today, its outlet to the sea is regulated. The word "lake" is therefore somewhat misleading: it is a coastal wetland, behind the dunes, and not a closed body of freshwater. It lies very close to the sea, but its presence is linked to the formation of the dunes and to the accumulation of waters in the plain of Capalbio.