The Topographic map of Catalonia 1:250,000 (relief map) has been prepared from the generalization of cartographic bases and information from the Institut Cartogràfic i Geològic de Catalunya (ICGC), updated in January 2023. Regarding the road network, information provided by the Ministry of Development and the General Directorate of Roads (DT) has been used. The bathymetry has been extracted from the cartography of the Navy Hydrographic Institute.
Geodetic reference system: ETRS89 (GRS 80 ellipsoid). UTM 31 North cartographic projection.