Etang de la Gare d’eau in Denain is a parkland section of the canel system just south of the railway station in Denain. There is some good carp and Pike fishing to be had , you can also night fish for Carp here. As with all French water rules can change at any time so please check on site or local tackle shop for latest rules.
Please note – When fishing any Public waters in France please have respect for the location and clear up any mess that you have made and do not damage banks / vegetation and no open fires, Catch and release all fish except Trout and Salmon that rules let you take and when fishing for Carp use appropriate fishing tackle with large landing net and unhooking mat. Fish stealing is a big problem from Public waters if you see anybody removing large fish like Carp please take note of the vehicle registration and report to authorities.