Rahad River Dinder River Beles River Dabus River Didessa River Hanger River (or Angar River) Wajja River Gulla River Guder River Muger River Jamma River Wanchet River Qechene River Robe River Dembi River Walaqa River Bashilo River Checheho River Lake Tana, into which flow Gilgel Abay Magech River Lesser Angereb River Reb River Gumara River Adar River (South Sudan) Yabus River Daga River (Deqe Sonka Shet)