The Hangang River is a major river in South Korea that flows through the capital city, Seoul. It stretches approximately 514 kilometers and is an essential waterway for transportation and irrigation. The river is known for its scenic beauty and is lined with parks, making it a popular spot for both locals and tourists. The river has several bridges, including the famous Banpo Bridge, which features a stunning rainbow fountain. The Hangang River plays a vital role in the ecosystem and supports various wildlife. It also serves as a venue for recreational activities such as cycling, boating, and picnicking along its banks.