In the field of cultural tourism, slow routes, especially pedestrian and cycle routes, are considered important resources for sustainable, social and economic development of the territories. The cultural routes, defined by the Council of Europe, have extended the notion of conservation and valorization of cultural heritage to a wider territorial perspective, that allow to join tangible and intangible heritage dimensions, natural and built heritage, in a whole. In this framework, cultural routes, mainly used to rediscover the territory through slow-travel experience, need to be documented and ranked as a system of cultural heritage spread over the territory, by innovative and effective tools. The SQISR method (Spatial Quality Index of Slow R...