The thesis has the ambition to explain the complex relationships between the tourist development of the heritage and the territorial development and to determine the conditions in which tourism can be a vector of territorial development in two regions in Algeria, one in Kabylie where tourism is under developed despite the existence of an important heritage potential, the other in Tassili n'Ajjer where tourism is at the beginning of a promising development. More precisely, through the relation between heritage, tourism and territorial development, we have studied the question to know how the tourist development of the heritage resources of Bejaïa and Djanet has been designed and implemented and what territorial dynamic has resulted on each of these two territories. The results of this work have shown, in the case of Bejaïa, a process of tourist development heritage which has mobilized generic and limited resources. It prefigures an area of tourist development with few relations with the land: development of generic resources, local entrepreneurship with potential projects, but without specific resources, very limited mobilization of the local socio-cultural in tourism…In the case of Djanet, this process has allowed the implementation at a less and less significant scale of a territorial development. This development occurs through the mobilization of specific resources and the creation of territorial resources, the affirmation of the local population as development actors, the dynamic of local learning, the regulation of the tourist activity, the geographical, organizational and institutional proximities held by the tourist local companies, the opening on the international…
