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The Sangha River, in central Africa, is a tributary of the Congo River, which it joins at 1°12′45″S 16°49′40″ECoordinates: 1°12′45″S 16°49′40″E. Formed by the merging of the Mambéré River into the Kadéï River at Nola (3°30′55″N 16°2′50″E), the Sangha flows through the Central African Republic, along the border of Cameroon, and through the Republic of Congo. Its tributaries include the Ngoko River, which joins at Ouésso (1°39′5″N 16°3′25″E).