Canal de Caen à la Mer (French pronunciation: [kanal də kɑ̃ a la mɛʁ]; English: Canal from Caen to the sea, also called the "Caen Canal") is a short canal in the department (préfecture) of Calvados, France, connecting the Port of Caen, in the city of Caen, downstream to the town of Ouistreham and the English Channel.
Running from north north-east to south south-west, the canal runs parallel to the Orne River which feeds it, it is 14 kilometres (8.7 mi) long, and comprises two locks. Digging began in 1837, and when it was opened on August 23, 1857 it was only 4 metres (13 ft) deep. It was deepened in 1920. The canal began with the dock at St. Peter's Basin (Bassin Saint-Pierre), in the downtown area of Caen. The canal is made up of a group of quays and docks. The current depth is 10 metres (33 ft), and the width can reach 200 metres (660 ft) in the dock of Calix).