The fortified village of Posada could be accessed through two gates. 
The main one, called Sa Porta, opened in the western part of the city’s south wall (fig. 1).

Fig. 1 - The rock on which the castle della Fava and the village stand with the indication of Sa Porta (reconstruction by M. G. Arru, photo by Unicity S.p.A.).

The passage is still well preserved and consists of a depressed arch (fig. 2). In the inner facade, the old overhead walkway where the guards kept watch over the passage is still visible above the arch. The image also identifies the remains of a Guelph-type battlement above the depressed arch. At the moment it is not possible to check the stretch of wall where the door opened because this has been incorporated by the expansion of the city centre.

Fig. 2 - Sa Porta seen from the outside (photo by Unicity s.p.a.).

The second gate, called Sa Corva (fig. 1) is characterised by a massive quadrangular structure, in whose exterior facade a first access rounded arch with its window opens (fig. 3).

Fig. 3 - The second gate of the village of Posada, seen from the outside (photo by Unicity S.p.A.).

A second arch, a segmental one, forms the inside part (fig. 4): this is where the access road narrows, making defence easier in case of enemy attack.

Fig. 4 - Passage through the second gate (photo by Unicity S.p.A.).