To 26 ports; the busiest crossings are to Mülheim (Mosel) (15 minutes, about four times a day, April to October and late November to early January), Zeltingen (30 minutes, about four times a day, May to mid-October and late November to mid-December), Kloster Machern (35 minutes, about four times a day, May to mid-October and late November to mid-December), Kröv (1 hour 15 minutes, about four times a day, May to mid-October and late November to mid-December), Wolf (1 hour 20 minutes, about four times a day, May to mid-October and late November to mid-December), Traben-Trarbach (1 hour 40 minutes, about four times a day, May to mid-October and late November to mid-December), Graach (5 minutes, four times a day, May to mid-October and late November to mid-December) and Wehlen (10 minutes, four times a day, May to mid-October and late November to mid-December).