Viewpoint of el monasterio de Rueda Nature · Sástago, Ribera Baja del Ebro, Zaragoza The viewpoint is located next to the Monastery of Nuestra Señora de Rueda, a Cistercian monastery founded in 1182 by Alfonso II of Aragon and built between the 13th and 15th centuries in Mudéjar-Gothic style. It stands on the banks of the Ebro, opposite Escatrón, and from the Baroque upper section of its tower there is an unrivalled view of the whole complex and the river's meander. Photo: Diego Delso (CC BY-SA 4.0) What to see and do in Sástago