To 17 ports; the busiest crossings are to Pfaueninsel (30 minutes), Wannsee (an hour), Sacrow (45 minutes, four times a day, mid-April to early October), Caputh (35 minutes, about four times a day, late March to October), Werder (Havel) (1 hour 10 minutes, about four times a day, late March to October), Geltow (50 minutes, three times a day, late March to October), Glienicker Brücke (20 minutes, twice a day, mid-May to early October) and Moorlake (35 minutes, twice a day, mid-May to early October).