The importance assumed by the castle was a direct consequence of his position.It is located on a rocky outcrop near the border between the Republic of Florence and the Republic of Siena on the southern slopes of the Chianti mountains dominating the Val d’Elsa. Thanks to that location was able to control on of the roads of primary importance in the middle ages: the via Francigena.
From the ruins, semi submerged vegetation, you can figure out the form he had, It had a rectangular strcuture.
The walls are almost completely collapsed in the South and West, not so that posed in the North still intact. In the Northwest, in correspondence with the outer margin, almost overlooking the valley there was a building with a square plan and today almost nothing remains, but we can say that was probably a watchtower.