The Geographical Information System (GIS) for a long time was not in the field of architects and restorators. But, since 2015, there has been a greater tendency to use GIS in built heritage issues (Ferreira-Lopes, 2018). For instance, GIS has a great potential in analysis, evaluation and development of route walkability and accessibility for people with different needs (Pires Rosa, 2020). In this paper, the author aims to present an alternative use of GIS in cultural heritage tourism. Author enhances utilization of GIS in cultural heritage by demonstrating the workflow creating pedestrian accessibility routes between touristic attractions in Lisbon historic city core. The path encompasses different variants such as distance, time consumption, angle of the road and the number of religious attractions. It offers the shortest way to the maximum number of attractions considering the complexity of the passage due to the relief of the city to promote tourism, thus to preserve religious heritage.
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