Through The Bouches-du-Rhone
The initial intake of the canal from the Durance was at the bridge "Pertius" in the Vaucluse at an elevation of 185 metres (607 ft) and 50 kilometres (31 mi) from Marseille. From there, the canal travels west to Lew Puy-Sainte-Réparade, then northwest to Saint-Estève-Janson. Then the canal continues north-west to the bridge Cadenet, where it feeds the pondSt. Christopher.
The route then clings to the hills, passes over La Roque-d'Anthéron and Charleval, and then exits the Durance and EDF, turns to the south and enters a long tunnel under the west end of the chaîne des Côtes, a mountain range.
After Lambesc, the canal's path becomes more complex: many bridges and tunnels are required to travel the valleys and near Coudoux. The canal bypasses the hill Ventabren, and comes to the Arc where it enters the aqueduct Roquefavour. Near this area, the Paris-Marseille line of the TGV passes and the railway's viaducts have been designed to harmonize with the aqueduct.
A 3 kilometres (2 mi) tunnel crosses under the southern Arbois plain until the canal enters the treatment plant Giraudets. Finally, the water flows into a 2 kilometres (1 mi) entrance lead into Marseille.
Read more about this topic: Canal De Marseille