In Darwin’s footsteps between a scientific and naturalistic challenge: the Bahia Bustamante coastal area (Patagonia Argentina).

Thanks to its geographic position, Patagonia , can be considered a strategic land for the studies of climate changes. In this work the main geomorphological features of the Bahia Bustamante coastal area are depicted. Moreover, the relevance of these features for the studies of palaeo sea level are stressed. Finally, taking into account the high geological value of this area, the motivations for proposing it as a geosite are presented. The concomitance of a high geological, biological and hystorical interest make the study area particularly suitable for the promotion of a sustainable tourism.