IDENA is the Spatial Data Infrastructure of Navarre, the main support for geographic information on the region's geoportal. Built entirely on free software, it provides interoperable OGC services and a powerful map viewer whose development is offered openly via the SITNA API.
Coverage includes base cartography, orthophotos, cadastre (SIGPAC), addresses, and thematic layers, available through catalog, viewer, services, and download tools. Content is licensed under Creative Commons Attribution 4.0, free for reuse with attribution.