The technique is constructive wall of solid brick with lime mortar on both sides and filled with soil inside. We can date it between the XIV and XVI. It is a rectangular enclosure with an approximate area of 900 m2, adjacent to the River Girona. There are only remains of the four facades, being the best-preserved falling in the river. The cloths are blind and smooth, having no doors, windows or stolen items. The walls are only conserved to a height of about 5 m., The rest having disappeared, not knowing their original configuration. They start excavations in order to check whether it is a mill.