Ave River (Portuguese: Rio Ave; pronounced as /pt/) is a river in Northern Portugal. It has its source in the Cabreira Mountain (Serra da Cabreira) in the Minho Region. In its course passes through the cities of GuimarĂ£es, Vizela, Santo Tirso, Trofa and Vila do Conde.The Vizela River and Este River (Portugal) flow into it. The Ave flows into the Atlantic Ocean in the city of Vila do Conde.