This paper introduces the concept of deep participatory maps, an approach to democratizing the way local knowl- edge is collected, shared, and discussed using interactive data visualizations. While geovisualizations provide a useful frame of reference for mapping spatial data and local knowledge, generally, they remain artifacts of a uni- directional creation and communication process: from the data source to the audience. This process is curated by the cartographer, visualization designers, or any other author. Typically, this results in a singular perspective onto the underlying data and the represented issues. […]