The Tapoa River is a tributary of the Niger River. It flows through the Tapoa Province in Burkina Faso and forms a small part of the international border between Burkina Faso and Niger, after which it flows into the Niger River in southwestern Niger.
![](http://upload.luquay.com/wikipedia/commons/thumb/b/b0/River_Niger_Tributaries_from_Burkina_Faso_OSM.png/220px-River_Niger_Tributaries_from_Burkina_Faso_OSM.png)
12°32′54″N 2°31′21″E / 12.54833°N 2.52250°E