To 17 ports; the busiest crossings are to St. Goarshausen (10 minutes, about 10 times a day in season), Bad Salzig (35 minutes, about five times a day, early April to mid-October), Kamp-Bornhofen (45 minutes, about five times a day, early April to mid-October), Kaub (45 minutes, about five times a day in season), Boppard (55 minutes, about five times a day, early April to mid-October), Bingen (2 hours 35 minutes, about five times a day in season), Rüdesheim (2 hours 50 minutes, about five times a day in season) and Oberwesel (30 minutes, about four times a day, early April to mid-October).