I am hoping to combine the two in one day from Paris. (by train) Early Sept midweek.
Wondering if I am better off starting in Vernon to avoid tourist buses then taking the train to Rouen? Would leave for Rouen on the 1pm (approx.) train.
Thinking I could stay there long enough to see the Cathedral light show before returning to Paris.
Would like opinions as to whether or not I am planning too much for a single day? It would be midweek and I have no time constraints.
Should I purchase tickets in advance online? Can I buy them at any station on the METRO in Paris?
Opinions and options welcome