Iɣil Mgun neɣ Iɣil n umsud (s tfinaɣ: ⵉⵖⵉⵍ ⵎⴳⵯⵓⵏ neɣ ⵉⵖⵉⵍ ⵏ ⵓⵎⵙⵓⴷ) d yiwen seg yidurar n Waṭlasameqran i d-yezgan deg ugezdu n Warzazat deg tama n Sus-Mast-Derɛa. Adrar-a yaggug ɣef temdint n Amurakuc s wazal n 250 km, akken i yeflal s wazal n 4071 m ɣef weswir n yilel. Imezdaɣ Tawennaṭ Tiwlafin Ẓeṛ daɣen Tugg kal Adrar n Sirwa Wanukrim