Gilgel Aba

Gilgel Abay( Amharic :gilgel Abay,Gǝlgäl Abbay),ko Lesser Abay,kogin ne na tsakiyar  kasar Habasha.Yana tasowa a cikin tsaunukan Gojjam,yana gudana zuwa arewa don fanko zuwa kudu maso yammacin tafkin Tana a

 Halaye 
Kogi ne mai ma'ana,wanda ke da yanki mai nisan kilomita 3887. Kusa da bakinsa yana da faɗin mita 71,tare da gangaren gangara na mita 0.7 a kowace kilomita.Matsakaicin diamita na kayan gado shine 0.37 mm ( yashi ).

 jigilar ruwa 
Ruwan kogin yana jigilar tan 22,185 na kayan gado a duk shekara da tan miliyan 7.6 na datti da aka dakatar zuwa tafkin Tana .Hanibal Lemma, and colleagues (2019). "Bedload transport measurements in the Gilgel Abay River, Lake Tana Basin, Ethiopia". Journal of Hydrology. 577: 123968. doi:10.1016/j.jhydrol.2019.123968.

 Duba kuma 

 Jerin kogunan Habasha

 Nassoshi