Awash (wani lokacin ana rubuta shi da sunan Hawash; Oromiffa: Awaash, Amharic: አዋሽ, Afar: We'ayot, Somali: Webiga Dir) hanyar ta gaba daya tana cikin iyakokin Habasha kuma ta shiga cikin layukan da ke haɗe da juna wanda zai fara daga Tafkin Gargori ya ƙare a Tafkin Abbe (ko Abhe Bad) a kan iyaka da Djibouti, kimanin kilomita 100 (mil 60 ko 70) daga shugaban Tekun Tadjoura. Wannan shi ne babban magudanar ruwa mai cike da ruwa wanda ya mamaye wasu yankuna na yankunan Amir, Oromia da Somalia, da kuma kudancin yankin Afar. A cewar Huntingford, a cikin ƙarni na 16 ana kiran kogin Awash babban kogin Dir kuma yana kwance a cikin ƙasar Musulmi. Awash ya tashi kudu da Mount Warqe, yamma da Addis Ababa a yankin Dandi, kusa da garin Ginchi, Yammacin Shewa Zone, Oromia. Bayan sun shiga ƙasan Babban kwarin Rift, Awash yana kwarara kudu don zagaya Dutsen Zuqualla ta wata hanyar gabas zuwa can arewa maso gabas, kafin shiga ruwan Koka. A can, ana amfani da ruwa don ban-ruwa na gonakin rake fadamu.