To 13 ports; the busiest crossings are to Hagnau (15 minutes, about four times a day, April to mid-October), Altnau (40 minutes, about twice a day, late June to mid-September), Güttingen (52 minutes, about twice a day, late June to mid-September), Meersburg (30 minutes, twice a day, April to mid-October), Friedrichshafen (30 minutes, twice a day, April to mid-October), Konstanz (1 hour 10 minutes, twice a day, April to mid-October), Langenargen (1 hour 5 minutes, every day, April to mid-October) and Kressbronn (1 hour 25 minutes, every day, April to mid-October).