Lake Bario is one of a chain of lakes into which the Awash River

Awash River

The Awash is a major river of Ethiopia. Its course is entirely contained within the boundaries of Ethiopia, and empties into a chain of interconnected lakes that begin with Lake Gargori and end with Lake Abbe on the border with Djibouti, some 100 kilometers from the head of the Gulf of Tadjoura...

 empties its waters. It is located at the eastern end of the Afar Region

Afar Region

Afar is one of the nine ethnic divisions of Ethiopia, and is the homeland of the Afar people. Formerly known as Region 2, its current capital is Asayita; a new capital named Semera on the paved Awash - Asseb highway is under construction....

 of Ethiopia

Ethiopia

Ethiopia , officially known as the Federal Democratic Republic of Ethiopia, is a country located in the Horn of Africa. It is the second-most populous nation in Africa, with over 82 million inhabitants, and the tenth-largest by area, occupying 1,100,000 km2...

, at 11°22′N 41°36′E.

Bario lies in the middle of a swamp, receiving its inflow through the swamp from Lake Afambo

Lake Afambo

Lake Afambo is one of a chain of lakes into which the Awash River empties its waters. It is located at the eastern end of the Afar Region of Ethiopia, at .-Overview:...

 to the northeast. Its outflow is on its southern side, which circles around Mount Dama Ali to empty into Lake Abbe

Lake Abbe

Lake Abbe or Lake Abhe Bad is a salt lake, lying on the Ethiopia-Djibouti border. It is one of a chain of six connected lakes, which also includes lakes Gargori, Laitali, Gummare, Bario and Afambo.-Overview:...

.