The Tagus River begins near the Eastern edge of Spain and travels westward for 626 miles through Portugal to the Atlantic ocean.
The Ebro River is the longest river in Spain. Along the Italian Peninsula there are steep,short rivers. The Po River is Italy’s longest river but it’s only 405 miles long. Italy’s second longest river is The Tiber River. Greece on the southern tip of the Balkan Peninsula has a mountainous terrain. The rivers are too short and unsuitable for navigation and unusable for irrigation.