Royaumont Abbey is a former Cistercian abbey, located near Asnières-sur-Oise in Val-d'Oise, approximately 30 km north of Paris, France.
Wikipedia https://en.wikipedia.org/wiki/Royaumont_Abbey
Official Website https://www.royaumont.com/
Address (Unnamed Road), 95270, France
Coordinates 49°8'50.016" N 2°22'52.142" E
