Ruvuma River

Ruvuma
Rovuma
Map of the Ruvuma River drainage basin.
Location
CountryTanzania, Mozambique
Physical characteristics
Source 
 • locationRuvuma Region, Tanzania
 • coordinates10°45′00″S 35°40′00″E / 10.75000°S 35.66667°E / -10.75000; 35.66667
 • elevation1,000 m (3,300 ft)
Mouth 
 • location
Indian Ocean
 • coordinates
10°28′28″S 40°26′13″E / 10.47444°S 40.43694°E / -10.47444; 40.43694
 • elevation
0 m (0 ft)
Length998 km (620 mi)
Basin size154,727.4 km2 (59,740.6 sq mi)[1] to 155,316.4 km2 (59,968.0 sq mi)[2]
Discharge 
 • locationNear mouth
 • average(Period: 1979–2015)55.94 km3/a (1,773 m3/s)[3]

(Period: 1971–2000)2,286.3 m3/s (80,740 cu ft/s)[2]

(Period: 1982–2013)890.8 m3/s (31,460 cu ft/s)[1]
Basin features
River systemRovuma River
Tributaries 
 • leftMlongasi, Likonde, Muhawesi, Lumesule, Mbangala
 • rightMessinge, Lucheringo, Chinlezi, Lugenda

Ruvuma River, formerly also known as the Rovuma River, is a river in the African Great Lakes region. During the greater part of its course, it forms the border between Tanzania and Mozambique. The river is 998 km (620 mi) long, with a drainage basin of ~155,000 km2 (60,000 sq mi) in size. Its mean annual discharge is 475 m3/s (16,800 cu ft/s) to 2,286 m3/s (80,700 cu ft/s) at its mouth.[4][2]

  1. ^ a b Development of Master Plan for Water Resources Management in Mozambique (PDF; 10,0 MB)
  2. ^ a b c "Central East Coast".
  3. ^ "GEF TWAP - Transboundary Waters Assessment Programme — GEF TWAP".
  4. ^ Nakayama, Mikiyasu (2003). International Waters in Southern Africa. United Nations University Press. p. 9. ISBN 92-808-1077-4.; online at Google Books