Vanne river between Arcueil and Cachan, the aqueduct on the Dhuis river (fr: Dhuis (rivière)) and the reservoir of Montsouris (fr: Réservoir de Montsouris)
the Count de la Tour du Pin. This is the location of the catchment of the Dhuis [fr]: an aqueduct of 131 km built between 1863 and 1865 that now supplies
sunshine. In Orléans, the Loire is separated by a submerged dike known as the dhuis into the Grande Loire to the north, no longer navigable, and the Petite