<P> The Nile has two major tributaries , the White Nile and Blue Nile . The White Nile is considered to be the headwaters and primary stream of the Nile itself . The Blue Nile , however , is the source of most of the water and silt . The White Nile is longer and rises in the Great Lakes region of central Africa , with the most distant source still undetermined but located in either Rwanda or Burundi . It flows north through Tanzania , Lake Victoria , Uganda and South Sudan . The Blue Nile ( Amharic : ዓባይ , ʿĀbay ) begins at Lake Tana in Ethiopia and flows into Sudan from the southeast . The two rivers meet just north of the Sudanese capital of Khartoum . </P>
<P> The Nile has two major tributaries , the White Nile and Blue Nile . The White Nile is considered to be the headwaters and primary stream of the Nile itself . The Blue Nile , however , is the source of most of the water and silt . The White Nile is longer and rises in the Great Lakes region of central Africa , with the most distant source still undetermined but located in either Rwanda or Burundi . It flows north through Tanzania , Lake Victoria , Uganda and South Sudan . The Blue Nile ( Amharic : ዓባይ , ʿĀbay ) begins at Lake Tana in Ethiopia and flows into Sudan from the southeast . The two rivers meet just north of the Sudanese capital of Khartoum . </P>
in what country do the two main tributaries of the nile river join
in what country do the two main tributaries of the nile river join
Sudan
Sudan