Dez River

You can help expand this article with text translated from the corresponding article in Persian. (March 2026) Click [show] for important translation instructions. View a machine-translated version of the Persian article. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must follow the LLM translation guideline, revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing Persian Wikipedia article at [[:fa:دز]]; see its history for attribution. You may also add the template {{Translated|fa|دز}} to the talk page. For more guidance, see Wikipedia:Translation.

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

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 / 32.9014; 48.7311