Cultural heritage is a vital component of community identity, playing a key role in sustaining collective values, strengthening social cohesion, and preserving cultural memory across generations. West Nusa Tenggara Province possesses a rich cultural heritage reflected in the traditions of the Sasak, Samawa, and Mbojo peoples traditions that embody values such as mutual cooperation (gotong royong), religiosity, solidarity, consensus-based deliberation, and respect for nature and ancestors. This study aims to analyze the role of cultural heritage in shaping and maintaining the collective values of communities in West Nusa Tenggara, as well as to identify challenges and preservation strategies amidst the forces of globalization. A qualitative approach utilizing descriptive methods was employed. Data were gathered through in-depth interviews, observation, documentation, and literature reviews, and subsequently analyzed using the Miles and Huberman interactive analysis model, comprising data reduction, data display, and conclusion drawing. The findings indicate that cultural heritage in West Nusa Tenggara serves not only as a marker of cultural identity but also as a medium for transmitting collective values that reinforce social solidarity and community cultural resilience. Traditions such as Bau Nyale, Sakeco, Rimpu, Kareku Kandei, and Uma Lengge exemplify values of togetherness, cooperation, and respect for ancestral customs. However, modernization, globalization, and declining participation among the younger generation pose challenges to cultural preservation. Therefore, synergy among the government, educational institutions, cultural communities, and the general public is essential to develop sustainable preservation strategies that ensure the continuity of cultural heritage while upholding the community's collective values.
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