The Blue Nile, or Abbay in Ethiopia, is a vital tributary of the Nile River, emerging from Lake Tana in the Ethiopian Highlands. Its waters carve a dramatic gorge, contributing over half of the main Nile's flow during the wet season.
The Blue Nile, or Abbay in Ethiopia, is a vital tributary of the Nile River, emerging from Lake Tana in the Ethiopian Highlands. Its waters carve a dramatic gorge, contributing over half of the main Nile's flow during the wet season.