The Sangha River is formed at the
confluence of the Mambéré River and the
Kadéï River at
Nola in the western
Central African Republic (). The Sangha flows along the border of
Cameroon, with the Central African Republic, and then the
Republic of Congo. It joins the Congo River at . The
tributaries of the Sangha River include the
Ngoko River (Dja river). Its
river mouth and confluence with the Sangha is at
Ouésso, in the Republic of the Congo (). ==Ecology==