Ribeira da Trindade rafi ne a kudancin tsibirin Santiago a Cape Verde.Shi ne kogin Praia mafi mahimmanci,babban birnin Cape Verde.Yankin kwandon sa shine 24.9 square kilometres (9.6 sq mi) .[1] Rafin yana gudana daga arewa maso yamma zuwa kudu maso gabas kuma yana da kusan 15 km tsawon.Tushensa yana cikin gundumar São Domingos,kusa da ƙauyen Achada Mitra .Yana bi ta cikin birnin Praia kuma yana fitarwa zuwa tashar tashar Praia,kusa da tsakiyar gari.