We booked this trip on a beautiful hot day in July. We left from Mainz. The sight seeing was amazing! The boat was very comfortable with good food and bathrooms. When we got on the boat we told the guy taking the ticket that we needed to be back in Mainz and he told us the stop we needed to get off on which was right around lunch time. We had two hours to browse and then boarded the boat for the return voyage. I would love to do it again and buy three or four days passes as several of the stops would be great to overnight at. Definitely recommend it!
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