Its highest point registers about 553 meters from the limestone massif Estremenho that over the years this karst landscape has undergone stonings, becoming the current Sicó. This is a vegetation of Mediterranean characteristics, covering the landscape with lush patches of oak-cerquinhos and cork trees and colorful flowers, orchids. From the top, the highest escarpment, hidden among the branches of trees, the eagle owl watches the territory.

From the summit of the mountain, and the distance may be seen from the Atlantic Ocean, which can be walked along the limestone massif, which stretches between Coimbra and Leiria, spanning over 430 square kilometers, taking over his body caves, limpets and ravines that come from surface water infiltration.