Culture and history
In the vicinity of Saint-Onen-la-Chapelle are Tombeau de Merlin, La fontaine de Jouvence and Le Chêne de Guillotin, all ancient sites. In the wider region around Saint-Onen-la-Chapelle, there is also La Fontaine de Barenton, likewise an ancient site.
Festivals
The Saint-Onen-la-Chapelle Comité des Fêtes lists the Fête d’automne as one of its main events. At the event held on 27 September 2025, an art exhibition took place in the community hall; a soapbox race was held on Rue de l’Étang.
More local pages: Poligné, Messac, Sougéal, Dol-De-Bretagne, Bain-De-Bretagne, Pancé, Saint-Aubin-D'aubigné, Vendel.