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This paper introduces a novel geoheritage map of the Portofino Natural Park. The park is an internationally well-known area, protected since 1935, located in the Ligurian Apennines, 25 km E of Genoa. It has 80 km of hiking trails which are used by visitors all year around. The map was produced by combining geological and geomorphological data, geoheritage elements and data from hiking and tourist maps. It is intended to be a base map from which can be derived applied maps. With appropriate integrations and simplifications, these can be useful tools for the management of highly frequented protected areas. The methodological approach involved aerial photo interpretation, bibliographical research, field work and the use of data from the Park archives. The original base map was produced by using a Digital Terrain Model raster (5 m) and vector layers for the different cartographical elements.