The remains of a domestic dog were found in an Epipaleolithic layer from the rock-shelter of Saint-Thibaud-de-Couz in the French Alps. The stratigaphic position and the date of this animal fits with the transition between the Youngest Dryas and Early Preboreal, with a 14C datation of 1O,O50 ± 100 BP. The dog is a small animal, compared with Mesolithic dogs from northern Europe. Its dimensions and morphology are very similar to those of the Swiss Neolithic. The lack of data about epipaleolithic wolves and our reduced knowledge of the domestication process in this geographical area do not allow more precise conclusions. In addition, the femur seems to indicate an osteodystrophical development of this dog.