Myths are cultural phenomena that reflect systems of knowledge, beliefs, symbols and wisdom values. Structurally, a myth reflects social relations, or the form of identity of a community group. Myths are cultural texts that have a duality of meaning, both denotative meaning and connotative meaning. This research is interdisciplinary in terms of archaeology and cultural studies. Data collection techniques include: field observation, interviews focusing on key informants, and documentation techniques. The data analysis model applies descriptive qualitative combined with simple quantitative analysis. The results showed that: (1) The myth of Naga Banda has a close relationship with cultural heritage at the Taman Sri Bagenda Sumur Ketepeng Temple Site in the Merajan Agung Gelgel complex; (2) The three elements of local wisdom values reflected in the myth of Naga Banda have religious dimensions, namely the symbol of deliverance to heaven and the philosophy of Shiva Buddhism, the socio-political dimension regarding the concept of God Raja and spiritual leadership, and the cultural dimension in the spiritual, artistic, and socio-political fields; (3) There are three forms of public policy issued by the king. And, important findings that have been obtained, namely: (1) Myths are not just fictional stories, but socio-cultural texts that reveal maps of meaning and local wisdom, (2) The myth of Naga Banda reflects the value of wisdom related to the value of spirituality, social politics, culture and leadership, and (3) the leadership of the era of King Waturenggong reflects the spiritual leadership model.