Add to ORKGMany situations of conflict occur between the use of space by the society and natural hazards.This research aims at improving knowledge of vulnerability in the context of the natural hazardsmanagement ; the question is how to take into account vulnerability assessment, especially in thecase of natural risks threatening mountainous areas.In order to provide solutions to that question we had recourse to spatial analysis and GeographicInformation Systems. The process first consists in watching out different gravity hazards andstudying their relationship to vulnerability, then in performing a theoretical model of natural risksanalysis. The methodological and technical support were provided by the creation of aGeographic Information System appli...