This poster is a preview of our work on “routes in the Iron Age in Iberia and Western Europe”, GIS research project that we have been developing for two years. Our methodology is based on working with Archaeology, Geography, Ethnohistory and Ethnography. The poster will present several different images in shape and physical maps of Western Europe, Aquitaine and the Pyrenees in which overlap several layers that shows the communication between both sides of the Pyrenees in Central Europe.