Khersan River
The Khersan River is a 180km long tributary of the Karun River in Iran, flowing into an arm of the reservoir formed by the Karun-3 Dam. The Khersan-3 Dam is under construction, proposed to be the most upstream of a cascade of three dams.
The region is mountainous, part of the Zagros Mountains. The river lies partly in Lordegan County, Semirom County, Boyer-Ahmad County and Dana County.
As the site of a major dam, the area is a common research area, for example in terms of geology, archaeological value, and management conditions under climate change
