A calcareous relief reaching 541 meters above sea-level. It is without a doubt the most particular landscape element of the whole Pontina area. Its inner slope, called "quarto freddo" is covered by a big thermophilous forest, while on the opposite slope, the so-called "quarto caldo", facing South and next to the sea, more extreme environmental conditions determine a less luxuriant Mediterranean vegetation. The presence of several caves on different levels of the slope facing the sea makes this area interesting both from a geo-speleological point of view, for the finds which have been discovered, and from a prehistorical point of view.
A calcareous relief reaching 541 meters above sea-level. It is without a doubt the most particular landscape element of the whole Pontina area. Its inner slope, called "quarto freddo" is covered by a big thermophilous forest, while on the opposite slope, the so-called "quarto caldo", facing South and next to the sea, more extreme environmental conditions determine a less luxuriant Mediterranean vegetation. The presence of several caves on different levels of the slope facing the sea makes this area interesting both from a geo-speleological point of view, for the finds which have been discovered, and from a prehistorical point of view.