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
Kampar River Kampar River Kampar River on the island of Sumatra in Indonesia originates in the mountainous Bukit Barisan of West Sumatra, and empties into the Malacca Strait on the island's eastern coast. It is a well-known river surfing destination because of its tidal bore known as Bono, caused by sea water from a high tide flowing upstream into a wide, shallow, and rapidly narrowing channel against the normal flow of the river water. The river is the confluence of two tributaries of almost equal size: Kampar Kanan River (or Right Kampar), and Kampar Kiri River (or Left Kampar). Kampar Kanan River