Ninety percent of the water and ninety-six percent of the transported sediment carried by the Nile originates in Ethiopia, with fifty-nine percent of the water from the Blue Nile (the rest being from the Tekezé, Atbarah, Sobat, and small tributaries).
=== Modri Nil ===Modri Nil (Ge'ez ጥቁር ዓባይ Ṭiqūr'Ābbāy (Black Abay) etiopsko; arabsko: النيل الأزرق; transliterirana:an-Nīl al-Azraq) izvira iz jezera Tana v etiopskem višavju.