The main river flowing through Paris is the Seine River. It has significant historical and cultural importance and is well-known for its picturesque banks and numerous bridges, including the iconic Pont Alexandre III. The Seine is approximately 777 kilometers long and flows through several other cities before emptying into the English Channel. Along its route, it passes by key landmarks such as the Eiffel Tower, Louvre Museum, and Notre-Dame Cathedral, making it a central feature of Parisian life and tourism.