Objective: To identify keys to sustainability of communication and cultural experiences led by community radio in Cauca, Colombia, and propose recommendations to strengthen these media in the post-conflict. Theoretical Framework: The relationship between communication and culture policies and media diversity is explored, highlighting the role of state institutions such as the Ministry of Culture and the Ministry of Information and Communication Technologies. Method: Qualitative approach through documentary analysis, interviews and observation. Results and Discussion: Experiences of Nasa Stereo and Radio Pa'yumat, community radio stations of the Nasa indigenous people, are highlighted, highlighting technical, cultural and security challenges. The role of these media as agents of peace and promoters of indigenous cultural identity in Cauca is discussed, with implications for public policies. Implications of the Research: Underlines the need for policies that promote cultural diversity and media pluralism in post-conflict contexts, guaranteeing equitable access to media, especially for marginalized populations such as indigenous peoples. Originality/Value: The research offers an in-depth look at the crucial role of community radios in peace building in Cauca, Colombia, with relevant findings both academic and those related to public policies that support community media.