The River Tevere, also known as the Tiber, is the third-longest river in Italy, stretching approximately 405 kilometers (252 miles). It flows through the central part of the country, passing through the city of Rome before emptying into the Tyrrhenian Sea. The river has played a significant role in the history and development of Rome, serving as a vital waterway for trade and transportation. The Tiber is characterized by its winding course and several tributaries. It is also known for its picturesque landscapes and historical significance, with many ancient structures and bridges, such as the Ponte Sant'Angelo, lining its banks. The river is an important ecological habitat, supporting various species of fish and birds.