Mailly-Maillet can be explored through two different themes: you can learn about the history of specific cultural sites or plan a longer walk. At the Église Saint-Pierre, the portal is protected; La Chapelle Madame has historical significance because it was built as a mausoleum and has a crypt. The “À la rencontre d’Isabeau et d’Antoinette” circular route starts in the square in front of the church and leads to the small Mont Carmel Chapel at a trail junction. The specific timings for the walk make it easy to plan as a separate activity, while the cultural sites offer different historical perspectives.
The portal of the Église Saint-Pierre
The portal of the Église Saint-Pierre has been protected under a decree dated May 22, 1900; this decree was corrected on July 19, 1901. The dates mark a sequence: the first is the protection order, and the second its correction. They refer to the protection of the portal, not to the year the church was built. This distinction is useful for context, because protection status and building history answer different questions. As a clearly identified architectural feature, the portal offers a concrete entry point into Mailly-Maillet’s cultural history. By contrast, the history of La Chapelle Madame is not defined by a protection order alone, but by its commission, original function and later designation.
La Chapelle Madame: Mausoleum and Crypt
The Marquis Louis-Victor de Mailly had La Chapelle Madame built in 1757 as a mausoleum for Antoinette Cadot de Sébeville. In 1973, the chapel was classified as a historic monument. The dates mark two different stages: 1757, when it was built for its intended purpose, and 1973, when it was later granted monument status. This distinguishes the commission from the classification in time, rather than conflating both dates into a general dating. The name of the person who commissioned it, its purpose as a mausoleum and its connection to Antoinette Cadot de Sébeville give the chapel a clearly defined historical context.
The crypt contains the remains of Jean III de Mailly and around fifteen lead coffins belonging to the de Mailly family. The approximate number matters: there are around fifteen, not an exact stated number. Together with its function as a mausoleum, the crypt points to the chapel’s burial history. Several specific aspects therefore contribute to its historical context: the person who commissioned it, its purpose, its monument status and the burials in the crypt.
A circular walk with clear timings
The official “À la rencontre d’Isabeau et d’Antoinette” circular route is 10.5 kilometres long and takes 2 hours and 30 minutes. It starts in the square in front of the church in Mailly-Maillet. At a trail junction, the route leads to the small Mont Carmel Chapel. The starting point, route length and stated duration provide concrete details for planning. This makes it possible to weigh the walk as a separate block of time against a stay focused on the cultural sites. Check trail conditions and signage on site; this practical preparation complements the route details.
The walk and the cultural history offer different perspectives: the route focuses on distance, duration and its course to Mont Carmel Chapel. At the portal and La Chapelle Madame, by contrast, historic monument protection, the commission and the crypt are the defining historical details.
Discover more destinations: Sains-en-Amiénois, Hem-Hardinval, Naours, Port-Le-Grand, Tilloloy, Ailly-Sur-Noye, Conty, Nibas.
View the main travel overview: Somme.
