Use "headwaters" in a sentence

1. It contains the headwaters of both the Ogooué River, the main river of Gabon and the Leketi river, which feeds the Alima and eventually the Congo river.

Il contient le cours supérieur de la rivière Ogooué, la principale rivière du Gabon et la rivière Leketi, qui alimente l'Alima et finalement le fleuve Congo.