An area divided between the municipalities of La Fatarella and Ascó consisting of properly signalized machine gun nests and trenches. It served to cover of the Republican forces during the last days of the Ebro Battle. The area consists of 10 machine gun nests, trenches, shelters, shooter shafts and dry stone barracks scattered throughout the Serra de la Fatarella. Following the directional signs, you can make a tour of the fortifications that allowed the ordered removal of the last republican forces that had to fight in the Ebro.