The Rivière de la Seine is a major river in northern France, flowing through the heart of Paris. It stretches approximately 777 kilometers (483 miles) from its source in the Langres Plateau to its mouth at the English Channel. The river is known for its picturesque banks and historical significance, serving as a vital waterway for trade and transportation. The Seine is lined with famous landmarks, including the Eiffel Tower, Notre-Dame Cathedral, and the Louvre Museum. It plays a crucial role in the city's culture and tourism, attracting millions of visitors each year who enjoy boat tours and scenic walks along its banks.