The three lakes

Longpont-sur-Orge is a commune in the Essonne department in Île-de-France in northern France.Inhabitants of Longpont-sur-Orge are known as Longipontains.Brico Dépôt, a subsidiary of Kingfisher plc, has its head office in Longpont-sur-Orge.

Sainte-Geneviève-des-Bois is a railway station located in Sainte-Geneviève-des-Bois, Essonne, Paris, France. The station was opened in 1881 and is located on the Paris–Bordeaux railway. The station is served by Paris' express suburban rail system, the RER. The train services are operated by SNCF.