L'Escale is a commune in the Alpes-de-Haute-Provence department in southeastern France. It is located on the eastern bank of the Durance opposite Château-Arnoux-Saint-Auban.GeographyThe Bléone forms the commune's southern border, then flows into the Durance, which forms the commune's western border.L'Escale DamWork began on the dam in 1959 being completed in 1963. With a height of 30ms it retains 15.70 hm³ of water. It is 126 metres long with a road carriageway along which runs the Route Napoleon. There is attached to the dam a power station whose three units produce a total of 170,000 KWs of electricity.