42nd Nice Côte d’Azur International Meeting of Archaeology and History. Settlement, Territory and Landscape Dynamics: Assessment and Prospects in Spatial Archaeology. Tribute to Jean-Luc-Fiches. October 12-14, 2022 – Nice – FranceInternational audienceIt took several decades of interaction and dialogue between human sciences and environmental sciences and a number of methodological advances for high altitude spaces to be considered as something other than immutable and atonic. Subjected to integrated interdisciplinary questioning, they reveal not one, but many complex histories and dynamics. By historicising mountain areas, the global point of view on societies is reversed and the whole of the valley systems are reconsidered. It is clear th...