From just behind the Eiffel Tower (which you'll probably be seeing up close anyway), the Bateaux Parisiens river cruises depart for trips up and down the Seine. With a sightseeing option as well as a trés elegant dinner cruise, you'll be able to find the trip to suit your tastes. Enjoy panoramic views of the the Musée d'Orsay, Notre Dame Cathedral, Pont Neuf and many more UNESCO World Heritage sites as you float down the Seine. It all starts here.
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The cruise itself showed me the very beauty of seine river and paris.