Zayandeh Rud is a major river in central Iran, flowing through the city of Isfahan. It originates from the Zard Kuh mountain range and travels approximately 400 kilometers before emptying into the Hamun Lake in the Chaharmahal and Bakhtiari province. The river is vital for irrigation and supports agriculture in the region. The river is known for its historical significance and scenic beauty, with several bridges, such as the famous Si-o-se-pol and Khaju Bridge, spanning its waters. Zayandeh Rud also plays a crucial role in the local ecosystem, providing habitat for various species of wildlife.