The endoculturación´ process has allowed that the customs and conducts of a culture should be present from the ancient generations up to the current ones.Consequently, the present article is centred in exposing the investigation brings over of the above mentioned present process in the Ticunas´ ethic group.The exercise of investigation of ethnographic way realized in the community Ticuna of Puerto Nariño and Leticia -Amazon, Colombia, during November of 2012, it allowed to characterize the relation between endoculturación and the notion of naturalistic environment of the ethic group by means of the investigation, analysis and reflection of the dynamics of the process of transmission generational route.Consequently, the present document exposes the results and discussions of the manifestations of the above mentioned process.The tools collect information necessary for the realization of open questions by interviews, highlighting aspects of life on the notion and appropriation of environment, in order to identify the difference between environment and nature.Finally during the field exit to the Amazonian Trapeze realized in November of 2012, we interacted with different persons belonging to the above mentioned community, identifying that the endoculturación´sprocess is present in the ethnic group, bearing in mind that the practices of the above mentioned group place in the care, learning, interaction and daily relations with the nature, from the oldestpeople up to the youngest members.Equally, there was demonstrated that the conception of Naturalistic Environment relates to the intrinsic value of the environment, that's means, beyond the resources that it delivers.