North of that point a line of high cliffs, in which occur the ports of Fcamp and Dieppe, stretches nearly to the sandy estuary of the Somme.
Besides the above, Boulogne, the most important fishing port in the country, Calais, Dieppe, Concarneau, Douarnenez, Les Sables dOlonne, La Rochelle, Marennes and Arcachon are leading ports for the herring, sardine, mackerel and other coast-fisheries of the ocean, while Cette, Agde and other Mediterranean ports are engaged in the tunny and anchovy fisheries.
Its chief lines ran from Paris:to Le Havre via Mantes and Rouen, to Dieppe via Rouen, to Cherbourg, to Granyule and to Brest.
In 1 528 a French expedition sailed from Dieppe, penetrated as far as Achin in Sumatra, but returned without reaching the Malay Peninsula.
France and Great Britain jointly acquired the cables between Calais and Dover, Boulogne and Folkestone, Dieppe and Beachy Head, Havre and Beachy Head, Piron, near Coutances, and Vieux Châteaux (St Heliers, Jersey).