The Inaouen River is a watercourse in Morocco

Morocco

Morocco , officially the Kingdom of Morocco , is a country located in North Africa. It has a population of more than 32 million and an area of 710,850 km², and also primarily administers the disputed region of the Western Sahara...

 that is tributary to the Sebou River

Sebou River

Sebou is a river in northern Morocco. The river is 458 kilometres long and has an average water flow of 137 m3/s, which makes it the largest North African river by volume. The source is in the Middle Atlas mountains. It passes near the city of Fes and discharges to the Atlantic Ocean in Mehdia...

. The river rises in the Middle Atlas mountain range. A major dam, the Idriss I

Idriss I (dam)

The Idriss I Dam, also known as the Idriss the First Dam, is a gravity dam on the Inaouen River, a tributary of the Sebou River. The dam is situated in the Gharb basin and is located northeast of Fes in Taounate Province, Morocco. The dam serves to provide irrigation for of land and its power...

 was constructed on the Inaouen River in the year 1973.

Natural history

In the upper parts of the watershed within the Middle Atlas

Middle Atlas

The Middle Atlas is part of the Atlas mountain range lying in Morocco, a mountainous country with more than 100,000 km² or 15% of its landmass rising above 2,000 metres. The Middle Atlas is the northernmost of three Atlas Mountains chains that define a large plateaued basin extending eastward...

 is the prehistoric range of the endangered primate

Primate

A primate is a mammal of the order Primates , which contains prosimians and simians. Primates arose from ancestors that lived in the trees of tropical forests; many primate characteristics represent adaptations to life in this challenging three-dimensional environment...

 Barbary macaque

Barbary Macaque

The Barbary Macaque , or Common macaque, is a macaque with no tail. Found in the Atlas Mountains of Algeria and Morocco with a small population, of unknown origin, in Gibraltar, the Barbary Macaque is one of the best-known Old World monkey species. Besides humans, they are the only primates that...

, which animal prehistorically had a much larger range in North Africa

North Africa

North Africa or Northern Africa is the northernmost region of the African continent, linked by the Sahara to Sub-Saharan Africa. Geopolitically, the United Nations definition of Northern Africa includes eight countries or territories; Algeria, Egypt, Libya, Morocco, South Sudan, Sudan, Tunisia, and...

.