Köln-Düsseldorfer

The Köln-Düsseldorf German Rhine Navigation Company, abbreviated as KD, operates its ships on the Rhine, Main, and Moselle rivers.
There are also various beautiful tours from Rüdesheim and Assmannshausen, including round trips to Loreley
or on the historic paddle steamer Goethe through the Middle Rhine Valley.

Tickets at original prices and more information can be found here