The river rises in French territory near the Col de Tende and flows through the Mercantour National Park The river passes through the communes of Tende, Saorge, Breil-sur-Roya, La Brigue, before entering Italy in the commune of Olivetta San Michele.
Roya (italijansko Roia, okcitansko "Ròia") je 60 km dolga reka v Franciji in Italiji.