- Source: Ndurumu River (Ruvubu)
The Ndurumu River (French: Rivière Ndurumu) is a river in Karuzi Province, Burundi.
It is a left tributary of the Ruvubu River.
Course
The Ndurumu River rises in the north of Karuzi Province and flows south past Buhiga and Karuzi, then south-southwest parallel to the RN 12 highway down to the border with Gitega Province, where it joins the Ruvubu River.
It is one of the main tributaries of the Ruvubu.
Environment
The surroundings of the Ndurumu River are a mosaic of farmland and natural vegetation.
The area is quite densely populated, with 239 inhabitants per square kilometer as of 2016.
The average annual temperature in the area is 20 °C (68 °F).
The warmest month is September, when the average temperature is 23 °C (73 °F), and the coldest is April, with 18 °C (64 °F).
Average annual rainfall is 1,321 millimetres (52.0 in).
The rainiest month is December, with an average of 215 millimetres (8.5 in) of precipitation, and the driest is July, with 1 millimetre (0.039 in) of precipitation.
Power Station
The Buhiga Hydroelectric Power Station is on the Ndurumu River, near the town of Buhiga.
The power station has a hydraulic head of 26 metres (85 ft) and installed power of 220 kW using an Ossberger turbine.
A concrete masonry gravity dam diverts water from the upper Ndurumu River into the intake and settling area.
From there, it flows through a 440 metres (1,440 ft) power canal, then down a steel penstock to the turbogenerator.
See also
List of rivers of Burundi