I have not taken the river cruise, but have travelled and hiked along the Duero and it's magical. I did meet a lady in one of my travels who said the river cruise in the Duero is one of the most beautiful cruises she's taken.
When I went to Porto I had a suggestion from a2lopes to stay in Pinhao. The train from Porto to Pinhao goes along the Duero.
I stayed at Vintage House in Pinhao, ...



