Bahr Az-zaraf

Also spelled  Bahr el-Zaraf , English  Giraffe River  river, an arm of the Nile River in as-Sudd region of south-central Sudan. It is formed in the swamps north of Shambe, diverting water from the Bahr al-Jabal (Mountain Nile), and flows 150 miles (240 km) north, past Fangak, to join the Bahr al-Jabal, 35 miles (56 km) west of Malakal. It is not navigable but is permanently connected to the Bahr al-Jabal by two cuts dredged where the streams are close