Oued Seguellil (or Oued Séguélil or Oued Seguelil or Oued Seguellîl) () is a

wadi Wadi ( ar, وَادِي, wādī), alternatively ''wād'' ( ar, وَاد), North African Arabic Oued, is the Arabic term traditionally referring to a valley. In some instances, it may refer to a wet (ephemeral) riverbed that contains water onl ...

Mauritania Mauritania (; ar, موريتانيا, ', french: Mauritanie; Berber: ''Agawej'' or ''Cengit''; Pulaar: ''Moritani''; Wolof: ''Gànnaar''; Soninke:), officially the Islamic Republic of Mauritania ( ar, الجمهورية الإسلامية ...

. It begins in the

Adrar Plateau The Adrar (, Berber for "mountain") is a highland natural and historical region of the Sahara Desert in northern Mauritania. The Adrar Region, an administrative division of Mauritania, is named after the traditional region. It is sometimes call ...

and runs south-west passing through the town of

Atar Atar, Atash, or Azar ( ae, 𐬁𐬙𐬀𐬭, translit=ātar) is the Zoroastrian concept of holy fire, sometimes described in abstract terms as "burning and unburning fire" or "visible and invisible fire" (Mirza, 1987:389). It is considered to ...

and getting lost in the surrounding sands. The Adrar Plateau near Atar is rich in gorges like the ''oued el Abiod''. Most of these gorges empty into the ''Seguellil'' wadi bed resulting in a string of pools and intermittent streams. 20 km south of Atar is the controversial Seguellil-dam, inaugurated in 2019. The river gets lost in the sands north of the western foothills of the Adrar Plateau.The Seguellil wadi basin
Accessed 25 February 2020.

References

{{coord missing, Mauritania Seguellil Adrar Region Seguellil