List of lock(s) in France (found 7 locations). Category description: A basin in a waterway with gates at each end by means of which vessels are passed from one water level to anotherEcluse de la Ferme du Metz (Nord-Pas-de-Calais-Picardie) Écluse Carnot (Nord-Pas-de-Calais-Picardie) Écluse Trystram (Nord-Pas-de-Calais-Picardie) Écluse Watier (Nord-Pas-de-Calais-Picardie) Écluse de Charles-de-Gaulle (Nord-Pas-de-Calais-Picardie) Écluse de Mardyck (Nord-Pas-de-Calais-Picardie) Écluse des Dunes (Nord-Pas-de-Calais-Picardie)
