KD, the White Fleet of the Rhine, is the most experienced river cruise company in the world. With a history going back more than 185 years, KD is the only shipping company to run daily services along the entire stretch of the Rhine between Cologne and Mainz. On the Romantic Middle Rhine between Rüdesheim, the Loreley in St. Goar and Boppard our modern ships cruise the whole year round. The 14 ship strong KD fleet gives guests a choice of countless ways to enjoy the sights.