Navigazione Lago d'Orta sails three routes between 10 ports in Italy, mostly Orta San Giulio, Isola San Giulio and Omegna. From Orta San Giulio: Isola San Giulio, Omegna, Pella and six other ports. From Pella: Orta San Giulio, Isola San Giulio, Omegna and six other ports.