Lesser Abbay (ግልገል ዓባይ, Gǝlgäl Abbay) is a river of central Ethiopia. Rising in the mountains of Gojjam, it flows northward to empty into south-western Lake Tana at 11°48′N 37°7′E / 11.800°N 37.117°E . Tributaries of the Lesser Abbay include the Ashar, Jamma, Kelti and the Koger. It was regarded as the true source of the Coordinates: 11°48′N 37°7′E / 11.800°N 37.117°E Nile for a long time and the Jesuit priest Pedro Paez visited it in 1618. The name Lesser Abbay means Lesser Nile, as Abbay is the name for the Blue Nile.
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Further reading [ edit ]
S. Uhlenbrook, Y. Mohamed, and A. S. Gragne, "Analyzing catchment behavior through catchment modeling in the Gilgel Abay, Upper Blue Nile River Basin, Ethiopia." Hydrol. Earth Syst. Sci., 14, 2153–2165, 2010
Hydrologic Impact of Land-Use Change in The Upper Gilgel Abay River Basin, Ethiopia; TOPMODEL