The Awash river is the main river attributed by Mille, Logia, Abbe Bil, Afambo and Adebel lakes.

The Awash river, Mille and Logia which are tributaries of the Awash river traverse the region. Abbe Bil, Afambo and Adebel lakes which are connected to the last section of the river Awash, are found in the region. They form an important habitat for river and lake Fauna.