Asif n wansifen (S Tserɣint: أم ربيع, S Tmaziɣt: ⴰⵙⵉⴼⵏ ⵏ ⵡⴰⵙⵉⴼⵏ) d asif wis sin di Tgelda n Umeṛṛuk s teɣzi n 550 km akked d uktum n 117 m³/s. Aɣbalu-ynes yekka-d seg teflel (laɛli) n 1800 m deg waṭlas alemmas, Yeggug (yebɛed) s 40 km ɣef temdint n Xnifra akked 26 km ɣef temdint n Mrirt. Aɣbalu n wasif-ayi yekka-d seg udrar n Heyyan i d-yezgan deg tɣiwant n Tanefnit, Abrid-is aneggar yella deg teftist n temdint n Azemmur anda yettmiri deg ugaraw Anaṭlas, Iɣzeṛ n Tasawt tameqqrant (neɣ Tasawt) d Tasawt tameẓyant (neɣ wad Lɛbid) neɣ Tisawin i d-yettawden sef watlas ameqran gan d tiliwa timeqqṛanin yakk n wasif-a Aẓaṛ n wassaɣ Imaziɣen n Umeṛṛuk ɣɣaren-as WANSIFEN anamek n wawal-a d Bab n iɣezṛawen. Amezruy Tiwlafin Ẓeṛ daɣen Imniren Asif n Gigu Asif n Ifis