Port of Gennevilliers Port of Gennevilliers The Port of Gennevilliers is the largest port in the Ile-de-France and the largest French river port. It is located in the commune of Gennevilliers in the north of the Hauts-de-Seine. The port is primarily a commercial port. It is an important delivery terminal for semi-finished non-perishable freight from lower-Seine (via Le Havre), and also for heavy materials carried by the French canal system. These items are mostly heavy, low value-added bulk materials: sand and gravel, cement, finished building materials (such as metal frames), packaging materials (paper, pallets) or certain dangerous chemicals. The port is suitable for
Seine vessels to the level of the river in Paris, where the junction with the Canal Saint-Martin is located. The distance from the mouth of the Oise is 72 km. The "Haute Seine", from Paris to Montereau-Fault-Yonne, is 98 km long and has 8 locks. At Charenton-le-Pont is the mouth of the Marne. Upstream from Paris seven locks ensure navigation to Saint Mammès, where the Loing mouth is situated. Through an eighth lock the river Yonne is reached at Montereau-Fault-Yonne. From the mouth of the Yonne, larger ships can continue upstream to Nogent-sur-Seine (48 km, 7 locks). From there on, the