To 18 ports; the busiest crossings are to Ernst (10 minutes, 10 times a day, late March to October), Bruttig-Fankel (20 minutes, six times a day, April to late October), Beilstein (50 minutes, six times a day, April to late October), Klotten (15 minutes, six times a week, May to late October), Pommern (30 minutes, six times a week, May to late October), Treis-Karden (40 minutes, six times a week, May to late October), Briedern (an hour, five times a week, May to late October) and Mesenich (1 hour 10 minutes, five times a week, May to late October).