When we were in Prague as an add on to our river cruise we received a note in our door that the first 3 days the ship would be operating out of Passau (a 3.5 hour bus ride away) and that the excursions would be bus tours from there to Nuremberg (2.5+hours) and Regensburg (1.5+hours) each way. Also the boat was now the Opal rather than the Jasper. We were not aware of this either. We were very ...