Dez River
The Dez (Persian: دز), the ancient Coprates (/ˈkɒprətiːz/; Greek: Κοπράτης or Κοπράτας), is a river in Iran. This 400 km long river is a tributary of the Karun River. It is the site of the Dez Dam.
References
32°54′05″N 48°43′52″E / 32.9014°N 48.7311°E