Gilgel Aba
Gilgel Abay( Amharic :gilgel Abay,Gǝlgäl Abbay),ko Lesser Abay,kogin ne na tsakiyar 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 .

Duba kuma 

 Jerin kogunan Habasha

Nassoshi