Tags: Dam.
The Kouhrang 1 Dam is a masonry gravity dam on the Kouhrang River about 4 km (2.5 mi) southwest of Chelgard in Chaharmahal and Bakhtiari Province Iran. The primary purpose of the dam is to divert up to 320000000 m3 (260000 acre·ft) of water annually via the 2.8 km (1.7 mi) long Kouhrang 1 Tunnel to the Zayandeh River to the east where it would help supply cities like Isfahan with water. Since the era of Shah Abbas I attempts had been made to diver the Kouhrang to the Zayandeh.