The Tajo River, also known as the Tagus, is the longest river in the Iberian Peninsula, flowing through Spain and Portugal. It stretches about 1,007 kilometers (625 miles) and is known for its beautiful landscapes and historical significance. The river starts in the Sierra de Albarracín mountains in Spain and travels westward, eventually emptying into the Atlantic Ocean near Lisbon. Along its journey, the Tajo River passes through several cities, including Toledo and Madrid, making it an important waterway for trade and transportation. The river is also a popular spot for recreational activities like fishing and kayaking, attracting both locals and tourists who enjoy its scenic beauty.