The Dez (), the ancient Coprates (;James Knowles (1835) ''A Pronouncing and Explanatory Dictionary of the English Language'' or Κοπράτας), is a river in Iran. This 400 km long river is a tributary of the

Karun River The Karun (, ) is the Iranian river with the highest water flow, and the country's only navigable river. It is long. The Karun rises in the Zard Kuh mountains of the Bakhtiari district in the Zagros Range, receiving many tributaries, such as ...

. It is the site of the

Dez Dam The Dez Dam (), formerly known as Mohammad-Reza Shah Pahlavi Dam (Persian: ), before the 1979 Revolution, is an arch dam on the Dez River in the southwestern province of Andimeshk, Khuzsetan. It was built between 1959 and 1963 during the rule of ...

References

Rivers of Khuzestan Province Landforms of Khuzestan province {{Iran-river-stub