Pibor River

Pibor River
Pibor at Pibor Post
Map of the Sobat River basin, showing the Pibor
Location of mouth in South Sudan
Location
Countries	South Sudan Ethiopia
Physical characteristics
Source	Pibor River
• location	Pibor Post, Greater Pibor
• coordinates	6°47′42″N 33°09′07″E / 6.7951°N 33.1519°E / 6.7951; 33.1519
• elevation	418 m (1,371 ft)
Mouth	Sobat River
• location	Ajungmir, Jonglei
• coordinates	8°26′01″N 33°13′07″E / 8.4337°N 33.2185°E / 8.4337; 33.2185
• elevation	404 m (1,325 ft)
Length	320 km (200 mi)
Basin size	137,130 km2 (52,950 sq mi)
Discharge
• location	Mouth
• average	186.3 m3/s (6,580 cu ft/s)
• minimum	102.1 m3/s (3,610 cu ft/s)
• maximum	348.1 m3/s (12,290 cu ft/s)
Basin features
Progression	Sobat River → White Nile → Nile → Mediterranean Sea
River system	Nile
Population	3,100,000[1]
Tributaries
• left	Lotilla
• right	Kangen, Agwei, Akobo, Gilo

The Pibor River (also called the River Pibor^[2]) is a river in eastern South Sudan, which defines part of South Sudan's border with Ethiopia. From its source near Pibor Post it flows north for about 320 kilometres (200 mi), joining the Baro River to form the Sobat River, which is a tributary of the White Nile.^[3]

The Pibor and its tributaries drain a watershed 137,130 km² (52,950 sq mi) in size. The river's mean annual discharge at its mouth is 186.3 m³/s (6,580 cu ft/s).^[4]