To 19 ports; the busiest crossings are to Zell (Mosel) (10 minutes, about twice a day, May to mid-October), Pünderich (10 minutes, about twice a day, May to mid-October), Reil (25 minutes, about twice a day, May to mid-October), Alf-Bullay (40 minutes, about twice a day, May to mid-October), Enkirch (45 minutes, about twice a day, May to mid-October), Traben-Trarbach (an hour and a half, four times a week, late June to early October), St. Aldegund (50 minutes, twice a week, late June to September) and Ediger-Eller (1 hour 25 minutes, twice a week, late June to September).