ﺍﻟﻨﻴﻞ ﺃﻃﻮﻝ ﺃﻧﻬﺎﺭ ﺍﻟﻜﺮﺓ ﺍﻷﺭﺿﻴﺔ ﻭﻳﻘﻊ ﻓﻲ ﻗﺎﺭﺓ ﺃﻓﺮﻳﻘﻴﺎ ﻭﻳﻨﺴﺎﺏ
ﺇﻟﻰ ﺟﻬﺔ ﺍﻟﺸﻤﺎﻝ، ﻟﻪ ﺭﺍﻓﺪﻳﻦ ﺭﺋﻴﺴﻴَّﻴﻦ ﺍﻟﻨﻴﻞ ﺍﻷﺑﻴﺾ ﻭﺍﻟﻨﻴﻞ
ﺍﻷﺯﺭﻕ ﻳﻨﺒﻊ ﺍﻟﻨﻴﻞ ﺍﻷﺑﻴﺾ ﻓﻲ ﻣﻨﻄﻘﺔ ﺍﻟﺒﺤﻴﺮﺍﺕ ﺍﻟﻌﻈﻤﻰ ﻓﻲ
ﻭﺳﻂ ﺃﻓﺮﻳﻘﻴﺎ، ﺃﺑﻌﺪ ﻣﺼﺪﺭ ﻳﻮﺟﺪ ﻓﻲ ﺟﻨﻮﺏ ﺭﻭﺍﻧﺪﺍ ﻋﻨﺪ
ﺍﻹﺣﺪﺍﺛﻴﺎﺕ ′16°2 55.92 ″ S 29°19′52.32″E /
2.2822000°S 29.3312000°E ﻭﻳﺠﺮﻱ ﻣﻦ ﺷﻤﺎﻝ ﺗﻨﺰﺍﻧﻴﺎ
ﺇﻟﻰ ﺑﺤﻴﺮﺓ ﻓﻴﻜﺘﻮﺭﻳﺎ، ﺇﻟﻰ ﺃﻭﻏﻨﺪﺍ ﺛﻢ ﺟﻨﻮﺏ ﺍﻟﺴﻮﺩﺍﻥ، ﻓﻲ ﺣﻴﻦ
ﺃﻥ ﺍﻟﻨﻴﻞ ﺍﻷﺯﺭﻕ ﻳﺒﺪﺃ ﻓﻲ ﺑﺤﻴﺮﺓ ﺗﺎﻧﺎ ﻓﻲ ﺃﺛﻴﻮﺑﻴﺎ ﻋﻨﺪ ﺍﻹﺣﺪﺍﺛﻴﺎﺕ
′2°12 8.8 ″ N 37°15′53.11″E / 12.035778°N
37.2647528°E ﺛﻢ ﻳﺠﺮﻱ ﺇﻟﻰ ﺍﻟﺴﻮﺩﺍﻥ ﻣﻦ ﺍﻟﺠﻨﻮﺏ
ﺍﻟﺸﺮﻗﻲ ﺛﻢ ﻳﺠﺘﻤﻊ ﺍﻟﻨﻬﺮﺍﻥ ﻋﻨﺪ ﺍﻟﻌﺎﺻﻤﺔ ﺍﻟﺴﻮﺩﺍﻧﻴﺔ ﺍﻟﺨﺮﻃﻮﻡ .
ﺇﺟﻤﺎﻟﻲ ﻃﻮﻝ ﺍﻟﻨﻬﺮ 6650 ﻛﻢ ( 4132 ﻣﻴﻞ). ﻳﻐﻄﻲ ﺣﻮﺽ
ﺍﻟﻨﻴﻞ ﻣﺴﺎﺣﺔ 3.4 ﻣﻠﻴﻮﻥ ﻛﻢ ² ، ﻭﻳﻤﺮ ﻣﺴﺎﺭﻩ ﺑﻌﺸﺮ ﺩﻭﻝ ﺇﻓﺮﻳﻘﻴﺔ
ﻳﻄﻠﻖ ﻋﻠﻴﻬﺎ ﺩﻭﻝ ﺣﻮﺽ ﺍﻟﻨﻴﻞ