View of the mouth of the Moulouya
Course of the Moulouya River 
|Native name||Iɣẓer en Melwect|
|⁃ location||Jbel Ayachi|
|⁃ elevation||3,700 m (12,100 ft)|
|Mediterranean Sea near Saïdia|
|0 m (0 ft)|
|Length||520 km (323 mi)|
|Progression||Middle Atlas - Hassan II Dam - Mohamed V Dam - Mediterranean Sea|
|Official name||Embouchure de la Moulouya|
|Designated||15 January 2005|
The Moulouya River (Berber: iɣẓer en Melwect, Arabic: وادي ملوية) is a 520 km-long river in Morocco. Its sources are located in the Ayashi mountain in the Middle Atlas. It empties into the Mediterranean Sea near Saïdia, in northeast Morocco at about .
The Romans called this river Malva. The Moulouya River formed the eastern border of the Rif Republic in the 1920s, a small part of Morocco containing important cities like Saïdia and Oujda lying to the east, between the Moulouya and the border with Algeria. Until 1956 the river also formed the eastern border of the Spanish Protectorate of Morocco.
In August 2011 fish were killed by pollutants in the Moulouya River and local residents feared for their crops and livestock.
- "Embouchure de la Moulouya". Ramsar Sites Information Service. Retrieved 25 April 2018.
- M. Peyron, « ‘Ayyachi, Jbel », Encyclopédie berbère, vol.8, Edisud 1990, p.1200-1204
- Magharebia - Ecological disaster mars Morocco's Moulouya River
- Media related to Moulouya River at Wikimedia Commons
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