Enjoy the unprecedented opening of the Château de Bellevue park and walk in the footsteps of Louis Le Peletier de Mortefontaine! Indeed, the intendant of the Generalitat of Soissons, who built the current town hall, had installed in Billy-sur-Aisne, royal nurseries in the eighteenth century. Tour of the castle and park exteriors. Visit not recommended for people with difficulties to move. Due to difficult parking, carpooling recommended. Bring walking shoes