Ngwan

Ngwan is 2 km long, and has a stream level of 3.

Map of Ngwan

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Ngwan flows into Koulou , which it joins at N 3° 29′ 5″, E 12° 46′ 21″ at OSM node n7309038758, and there 25 km of total upstream flows in.

Ngwan has 2 tributaries.

(unnamed), which joins it at N 3° 29′ 12″, E 12° 47′ 13″ at OSM node n7309038481, and 1 km of total upstream flows in.

(unnamed), which joins it at N 3° 29′ 19″, E 12° 46′ 53″ at OSM node n7309038478, and 295 m of total upstream flows in.