Lac de Moulin Papon at La Roche sur Yon is a vast lake / Reservoir of 108 hectares it is a cat 2 lake where there are areas for night fishing for carp and you can use up to 4 rods. As with most large French waters there is a good head of most types of fish with some large carp, Pike and Zander to be had.
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.