Luxembourg’s dry stone walls preserve more than the outlines of old landscapes. They embody a construction skill passed down orally over centuries—one that the country’s official heritage portal says fell into disuse as modern technology and new building materials took hold. That history documents pressure on the craft. It does not establish that dry stone walling will disappear within the next 25 years. The portal provides no practitioner count, age profile or forecast that would support such a prediction. The technique relies on the weight of stones and their careful arrangement. Walls are built without mortar or another binding agent, so stability depends on how the individual pieces are assembled. Preserving a finished wall and preserving the knowledge needed to construct one are therefore related but distinct tasks. The portal describes dry stone structures across Luxembourg, including examples associated with the Moselle, Mullerthal, the Ardennes and valley drainage and irrigation systems. Their presence connects the craft to working landscapes rather than to a single type of monument. Historically, tillage brought stones out of the ground. Those stones were sorted and stacked for reuse, and construction techniques developed over centuries. The material and the skill thus formed part of practical land management. The later spread of alternative technologies and materials helps explain why the method lost its former role. There is also evidence of preservation work. The portal highlights the Pellembierg project in Ahn, involving maintenance of historic dry stone walls in vineyard terraces. It records the craft’s inclusion on UNESCO’s intangible cultural heritage list following an international application by 13 European countries. Neither recognition nor a maintenance project establishes how widely the skill is now being transmitted. The account gives no figures for trainees, paid work or the cost of maintaining walls. Those gaps limit any assessment of the craft’s long-term prospects. The supported conclusion is narrower than a prediction of disappearance: Luxembourg has a documented craft whose practical use declined, alongside examples of active preservation. Its continuity concerns both the survival of the stone structures and the passing on of the judgement needed to build them.