Seine Commercial craft (barges and push-tows) can use the river from Marcilly-sur-Seine, to its mouth. At Paris, there are 37 bridges. The river is only above sea level from its mouth, making it slow flowing and thus easily navigable. The Seine Maritime, from the English Channel at Le Havre to Rouen, is the only portion of the Seine used by ocean-going craft. The tidal section of the Seine Maritime is followed by a canalized section ("Basse Seine") with four large multiple locks until the mouth of the Oise at Conflans-Sainte-Honorine (170 km). Smaller locks at Bougival and at Suresnes lift the
Rock en Seine Rock en Seine The Rock en Seine festival () is a three-day rock music festival, held at Domaine National de Saint-Cloud, the Château de Saint-Cloud's park, west of Paris, inside the garden designed by André Le Nôtre. The name is a pun, based on exactly the same pronunciation in French of the words "scène" meaning "stage" and Seine (the river separating Saint-Cloud from Central Paris after which the Hauts-de-Seine département is called). The festival takes place in the down of the Park of "Domaine national de Saint-Cloud", a historical place at the gates of Paris, and 5 minutes from the