Niamey

Based on OpenStreetMap data, Niamey is 18 km long.

Niamey is in Burkina Faso, flowing through the subregions of Houet

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It has 1 side channels. (TODO fill in side channels)

Niamey flows into the sea: 23 km of total upstream flows in at N 11° 21′ 18″, W 4° 17′ 28″ at OSM node n3501279296.

Niamey has 2 tributaries.

an unnamed river, which joins it at N 11° 21′ 0″, W 4° 17′ 1″ at OSM node n3501273768, and 3 km of total upstream flows in.
an unnamed river, which joins it at N 11° 16′ 27″, W 4° 13′ 49″ at OSM node n3501442990, and 3 km of total upstream flows in.