The Rwaba River () is a river in Makamba Province, Burundi, that flows into Lake Tanganyika.
Course
The Rwaba River forms in the northwest of Makamba Province to the north of
Murinda and flows south, then southwest to enter Lake Tanganyika just north of
Nyanza Lac.
The Rwaba River drains the sedimentary plain of Nyanza-Lac, which is about wide and backed by high ground.
Open forests on the steep slopes around the plain form a natural water catchment system, and prevent sedimentation of the river and damage from landslides.
The river is fed by springs on the slopes or at the foot of the slopes.
Environment
The surroundings of the Rwaba River are a mosaic of agricultural land and natural vegetation.
The area is quite densely populated, with 214 inhabitants per square kilometer as of 2016.
Savannah climate prevails in the area.
The average annual temperature in the area is .
The warmest month is September, when the average temperature is , and the coldest is November, with .
Average annual rainfall is .
The wettest month is December, with an average of of precipitation, and the driest is July, with of precipitation.
See also
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List of rivers of Burundi
Sources
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Temperature data from satellite measurements of the earth's surface temperature within a box that is 0.1 x 0.1 degrees.
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Average value for the years 2012–2014 within a box that is 0.1 x 0.1 degrees.
