An unnamed river

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It flows into Koumba , which it joins at N 11° 44′ 7″, W 12° 54′ 9″ at OSM node n1864833215, and there 1,038 km of total upstream flows in. load it's distributaries

It has 2 tributaries.

• gnongongui, which joins it at N 12° 1′ 50″, W 12° 27′ 33″ at OSM node n4933449584, and 76 km of total upstream flows in.
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• Tantou , which joins it at the following points: 2 km of total upstream flows in at N 12° 2′ 9″, W 12° 20′ 31″ at OSM node n4933268998 16 km of total upstream flows in at N 12° 2′ 9″, W 12° 20′ 31″ at OSM node n4933268998
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