Monastery of San Miguel de Xagoaza Monument · O Barco de Valdeorras, Valdeorras, Ourense A monastic complex with a church of 12th-century Romanesque origin that belonged to the Order of Saint John of Jerusalem, enlarged with an 18th-century building; it stands on a vineyard slope above the town and the Sil valley. Photo: José Antonio Gil Martínez (CC BY 2.0) What to see and do in O Barco de Valdeorras