The Ex-monastery of Santa María de la Oliva is a XYZ located in Carcastillo, Spain. It was declared Bien de Interés Cultural in 1880.DescriptionActive Cistercian Monastery originally established 1150 as a daughter of l'Escaladieu / Morimond. Present buildings date from 13th - 15th centuries.AddressAddress: Carretera Melinda, s/n, 31310 Carcastillo, Navarra, Spain