The Dordogne runs through Bort-les-Orgues (2,700 inhabitants) which is an area of passage between the Cantal, Corrèze and Puy de Dôme, hence its vocation as a trading town. In the 19th century, Bort turned to manufacture. It has a long tradition of tannery, still very present today, and there is a museum dedicated to this activity. Its dam, commissioned in 1952, can be seen within an interpretation area.