 Crossing Rossiglione the Stura divides the town in "Rossiglione Superiore" ("Upper Rossigline") and "Rossiglione Inferiore" ("Lower Rossiglione").A couple of kilometres downstream it enters Piedmont between Belforte Monferrato and Ovada.It joins the Orba near the northern border of Ovada, at around 170 m.a.s.l..

Stura di Ovada main tributaries are