The appearance of Saint Joseph on June 7, 1660 was followed by the construction of a small chapel in 1660 and the start of a larger chapel in 1661 which was consecrated in 1663. The premises abandoned for nearly two centuries were taken over in 1975 by the Benedictine Community of Medea in Algeria, who built the current monastery. March 2019, the Sisters of Mater Dei, who came from Argentina, settle in the Monastery.

Great saint of Provence (360–435), contemporary of saint Augustin (354–430), of saint Jérôme (347–420) and of saint Honorat/Honorat de Lérins/Honorat d’Arles (v.375 –430), Cassien is a pioneer in many areas.

Monk. man of the church. theologian,Saint Cassien very deeply marks the beginnings of the “official” church in Provence in 5e s. by his thought, his Faith and his actions.