The Dez River ( fa, دز), the ancient Coprates (;James Knowles (1835) ''A Pronouncing and Explanatory Dictionary of the English Language'' el, Κοπράτης or Κοπράτας), is a 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 ...

and is 400 km long. It is the site of the

Dez Dam ) , image = , image_size = , image_caption = , image_alt = , location_map = Iran , location_map_size = , location_map_caption = , coordinates = , country = I ...

References

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