Former stronghold of the Counts of Valois, the fortified castle was built around 1390 by Jean de Sépoix, advisor to King Charles V, on the site of an old fortified …
Along the towpath, the view opens up for a moment onto the church of Mareuil-sur-Ourcq which stands on the other side of the canal. This Gothic-style building was built in three stages starting in the 13th century.