Karstic landscape of the Gramat Causse (Lot, France). The Gramat Causse and Us surroundings offer an exceptional range of landscapes which have long made the area renowned. Nevertheless, only a few natural sites (Padirac, Rocamadour, Pech Merle...) are currently shown to their advantage for and by the tourist indus try. The aim of this paper is to show that, beyond these jewels, there exist many other natural sites for which it is worth making a detour. They simply have to be known and made known to others. In an area undergoing serious economic problems due to agricultural changes, "ecotourism" provides a promising and attractive alternative as has been illustrated by the creation of the Quercy regional natural park. It is in this context ...