Are you a 6 people-group or more? If you want, Jean-Rémy proposes a dinner.
You also have the access to a common fitted kitchen with dishes, hotplates, fridge (with a freezer) which permit to prepare your meal and picnic.
Agenda des festivités du Val de Ligne :
www.tourisme-valdeligne.fr/sortir/festivites-en-val-de-ligne/tout-lagenda/