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.

Dez
Dez Dam in Dezful city
The basin of Dez River, as a tributary of Karun River
Location
Country	Iran
Physical characteristics
Mouth
• location	Karun River
Length	400 km (250 mi)