Oum Errabiaa , Maroc

Oum Errabia or Oum Er R'bia is the second Moroccan river in terms of length. It rises at an altitude of 1240 m in the Middle Atlas 40 km from the city of Khénifra and 26 km from the city of M'rirt, rural town of Umm Errabia and empties into the Atlantic Ocean at town Azemmour
It is 600 km long and leads to the Atlantic Ocean Azemmour (Doukkala-Abda region). By its significant rate 117 m3 / s, many dams (eight) are constructed, the best known are Bin el Ouidane built on El Oued Aabid the side Azilal, near the town of Beni Mellal and 120 km Khénifra; and Maachou dam at the mouth of the Oum Errabiaa. This river contributes to agricultural development in the plain of Tadla and Doukkala-Abda that. Tributaries are Wadi Umm Errabiaa Srou (major tributaries at Khénifra are Oued Chbouka and Oued Ouaoumana) rt wadi Elabid to Azilal level .....

Hydrologically Khénifra province is a large water tank by its complex hydrological system.

These rivers originate in the region through 40 Khénifra sources.1 that feed the river to form three major water basins:

Basin Umm Errabia
Basin Moulouya
Basin Bouregreg

Building a series of dams on the Oum Errabia and its tributaries will be a challenge for the Moroccan government, which is to achieve its objective of irrigation estimated at 1 million hectares over the entire kingdom. Self-sufficiency in wheat production has not yet reached.

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