The Khersan River (Persian خرسان) is a 180km long tributary of the
Karun River
The Karun ( fa, کارون, ) is the Iranian river with the highest water flow, and its only navigable river. It is long. It rises in the Zard Kuh mountains of the Bakhtiari district in the Zagros Range, receiving many tributaries, such as t ...
in Iran (the river with the largest flows 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
Lordegan County ( fa, شهرستان لردگان) is in Chaharmahal and Bakhtiari province, Iran. The capital of the county is the city of Lordegan. At the 2006 census, the county's population was 175,289, in 34,603 households. The followin ...
(
Chaharmahal and Bakhtiari Province),
Semirom County
Semirom County ( fa, شهرستان سمیرم) is in Isfahan province, Isfahan province, Iran. The capital of the county is the city of Semirom. At the 2006 census, the county's population was 70,735 in 17,072 households. The following census ...
(
Isfahan Province),
Boyer-Ahmad County
Boyer-Ahmad County ( fa, شهرستان بویراحمد) is located in Kohgiluyeh and Boyer-Ahmad province, Iran. The capital of the county is Yasuj. At the 2006 census, the county's population (including those portions of the county later spl ...
and
Dana County
Dana County ( fa, شهرستان دنا; Lurish: شݴرستانی دنا ) is located in Kohgiluyeh and Boyer-Ahmad province, Iran. The capital of the county is Sisakht. At the 2006 census, the county's population (including those portions of ...
(
Kohgiluyeh and Boyer-Ahmad Province).
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
References
{{coord missing, Iran
Rivers of Iran