The paper presents the steps undertaken within the RO-RISK (Disaster Risk Evaluation at National Level) project with the aim of achieving landslide hazard and risk evaluation at the national level, as well as the close interand transdisciplinary collaboration through the involvement of specialists and stakeholders during the whole research process, the results of which can be assigned to geomorphic services. A common methodology to analyze all the selected risks has been followed within the

more »

... ect, mainly focusing on hazard and impact analyses. At the end, three national and two local scale landslide scenarios have been analyzed into detail in order to provide risk figures as estimations on the location and magnitude of possible physical impacts on the population, the built-up environment and the transportation network, as well as economic and sociopsychological impacts, all of which were needed to finally estimate risk acceptability.