Bahr Al-jabal

Also spelled  Bahr el-Jebel , English  Mountain Nile  that section of the Nile River between Nimule near the Uganda border and Malakal in south-central Sudan. Below Nimule the river flows northward over the Fula Rapids, past Juba (the head of navigation), and through as-Sudd, an enormous, papyrus-choked swamp where half its water is lost. It receives the Bahr al-Ghazal at Lake No and then turns east to join with the Sobat River of