The Zayanderud Dam is a significant water reservoir located in Isfahan, Iran. Completed in 1970, it is primarily used for irrigation, flood control, and hydroelectric power generation. The dam is built on the Zayanderud River, which is the longest river in central Iran. The dam has a height of 105 meters and a length of 1,800 meters, creating a large reservoir that supports agricultural activities in the surrounding region. Additionally, the Zayanderud Dam plays a crucial role in supplying water to the city of Isfahan and its nearby areas, contributing to local development and sustainability.