"He traveled through the forests and surrounding countryside, cottages and villages to announce the Gospel or meet other missionaries.
The relics of Saint Rieul de Senlis, preserved in the cathedral, were analyzed in 1999 according to the technique of carbon 14.
Excavations of Marc Durand indicate that the Gallo-Roman temple in the Halatte forest near Senlis, was very active still in the third century, and was violently destroyed around 385 - 390 .
), It was definitively abandoned towards 400/425[5] Gérard de Nerval, in his Walks and Memories ( 1854 ), recounts a legend told from the time of his childhood, according to which, near Rully (Oise) a crowd gathered to listen to Saint Rieul, but the noise of the frogs of a nearby pond (the source of the Aunette ), a concert of croaking, drowned out his voice.
One of his journeys took him to Beauvais where he distinguished himself by a dazzling miracle: returning one evening to his diocese after having visited Saint Lucien, he met a blind man in Brenouille who begged him to restore his sight.