This document describes an ongoing commercial project that aims to model the cultural heritage domain in an ontology, containing data from eleven types of heritages, from bibliographic items, to industrial patrimony, or to prehistoric excavations for a Spanish region, Cantabria. Besides, the project will develop a series of applications that get the most out of the ontology, beginning by a semantic portal, which is the application presented in this paper. The portal will provide easy and intuitive access to a huge volume of information that comes from heterogeneous sources selected by domain experts. People interested in Cantabria will be able to find with as few clicks as possible, not only the information they are interested in, but also some contextual information that complements the one the user is watching, suggesting new navigation directions, and uncovering hidden relations. The ontology has been designed based on the international standards for cultural models, such as CRM, FR...