Due to major socio-economic shifts that have happened over time, abandoned landscapes are widespread in the Italian Alps. While they are one of the visible signs of changes in land use and territoriality, in terms of emotional experience they also provoke a sense of loss and a feel of nostalgia for a temporal and spatial past. However, nostalgic feelings can be productive, enable actions ─ such as the recover and reuse of cultural landscapes ─ and significantly contribute to community renewal. In fact, the heritage value of landscapes that fall out of the purview of formal processes of patrimonialisation often emerge from those groups whose identity is embedded in those places. Based on ongoing research on the culture-sustainability nexus among ethno-linguistic minorities in the Italian Alps, this contribution focuses on the transboundary minority of the Brigaschi and explores the heritagisation of a small chapel and surrounding landscape located in the Alpine pastures of the Valle dei Maestri (Nature Park of Marguareis, Western Alps), where also a modern hut was built in the 2000s. Multiple landscapes (e)merge with each other and their components move at different paces, challenging the ethical and aesthetical dimension of the chapel’s heritagisation. The life cycle of this landscape and its heritagisation are discussed within the frame of cultural sustainability: the recover and reuse of this abandoned landscape can be seen as a form of cultural activism and its conservation is guided by principles of care and guardianship, both signalling that there is value in it and it is considered something to be inherited. Considering both the spatial/temporal and the ethical/aesthetical challenges, this contribution also reflects on whether the way this process is being handled by the minority and whether the latter has the potential to make the chapel and its landscape a meaningful long-term presence.