Ancient halls with canvases and grains completed thanks to the generosity of the Dukes of Guise. The large tile roof is supported by a splendid frame. A 20-metre-high statue of Saint-Louis, patron saint of merchants, adorns the façade and was completely renovated between 2006 and 2008. These former halls named «Halles Denis Béalet» are supported by 14 octagonal wooden pillars 12 meters high and 1.63 meters in circumference. Open to the public during European Heritage Days