Puerta Matrera | Source: Texts: Ayuntamiento de Arcos de la Frontera. Photo: Destino Cádiz.
The Puerta Matrera is the only remains of the original walls of the town. It was the key to the defense of Arcos eastward flank.
It was flanked by two towers of which only one remains, known as Torre de la Traicion (Tower of Betrayal). From it you can see some remains of the walls encased between the houses.
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