The castle of Mallén and the French occupation Monument · Mallén, Campo de Borja, Zaragoza Image of Mallén, not of the place itself. During the Peninsular War (1808-1814) the castle of Mallén served as quarters for the French troops operating on the route from Zaragoza to Tudela. Once the conflict was over the fortress was dismantled and its materials reused in the village. 1808-1813 Photo: Vasyatka1 (CC BY-SA 4.0) What to see and do in Mallén