sentences:  Starting from the valley of the Euphrates, the terrain rises forming the Manbij plain and then sinks again at the Dhahab river valley in the east of Aleppo Governorate.The Dhahab drains the highlands north of Bāb and runs in a north–south direction for about until it drains into Lake Jabboul.West of the Dhahab valley the terrain rises again forming Mount ʻAqīl (Mount Taymar) west of Bāb and Mount Ḥaṣṣ west of Lake Jabboul.