To 15 ports; the busiest crossings are to Pisogne (20 minutes, three times a day, late March to early October), Lovere (30 minutes, three times a day, late March to early October), Costa Volpino (32 minutes, three times a day, late March to early October), Castro (15 minutes, twice a day, late March to early October), Marone (20 minutes, twice a day, late March to early October), Siviano (Monte Isola) (30 minutes, twice a day, late March to early October), Carzano (Monte Isola) (40 minutes, twice a day, late March to early October) and Sulzano (50 minutes, twice a day, late March to early October).