Completar frases SPAIN'S RIVERSVersión en línea Let's review some features of the Spanish rivers. por Aguasantas Cano 1 Cantabrian Watershed Watershed Atlantic Ebro Spain Tagus rias Mediterranean Guadiana Watershed Miño We divide the rivers in Spain into three groups : the rivers of the , the rivers of the and the rivers of the . The is the longest river in the Iberian Peninsula . The is the longest river that is completely within Spain . The forms part of the border between and Portugal ; the forms another part of this border . In northern Spain there are drowned river valleys called .