GIS-based digital modelling tools, such as the well-known least cost paths (LCP), have been
widely used in archaeology in recent years as ways of approaching forms of mobility in the
past. Roman roads are among the best-known examples of ancient networks of paths and
have been widely studied using such approaches. In this paper, we shall make a general
reflection on the applicability of those tools for the modelling and analysis of ancient routes,
with a special focus on Roman roads. Drawing from a case study in the NW Iberian …