dam in artificial lac de serre-poncon in the hautes-alpes, france

alpes artificial bank banks basin blue control country dam durance electricity engineering europe european forest france french green hautes hautesalpes hill hills hilly holiday holidays irrigation lac lake landmark landscape level mountain mountainous mountains natural nature outdoor outdoors oute poncon reservoir rhone river road rock rocks rocky scene scenic serre serreponcon shore slope slopes summer touristic travel ubaye vacation view water wood