Guided tour of the building, several of which are listed as Historical Monuments. Rosary altarpieces and high altar. Funerary tomb of the lords of Plessis Châtillon. Leugaire terminal of the Roman road Jublains – Avranches. Cross of the way of Mont St Michel from Le Mans. Presentation of the activities of Châtillon Patrimoine, association for the preservation and promotion of the town’s heritage