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 mi2) 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.
