International audienceThis conference tries to analyse the way in which plant gatherers are supposed to look at mountains in Antiquity and to compare it with our contemporary views of this particular landscape. We hope to have shown that, whereas nowadays mountains are believed to be an almost empty and pure place where plants may grow well protected, in Antiquity they are supposed to be haunted or inhabited, especially by snakes, an important animal that can bear poison and remedy alike.Cette communication s'efforce d'analyser le rôle des montagnes dans les représentations des pratiques de cueillette de simples dans l'Antiquité et dans celles de l'époque contemporaine. On pense avoir montré que si la montagne des modernes est un lieu vide ...