Causewayed enclosures have recently been at the forefront of debate within British and European Neolithic studies. In the British Isles as a whole, the vast majority of these monuments are located in southern England, but a few sites are now beginning to be discovered beyond this core region. The search in Wales had seen limited success, but in the 1990s a number of cropmark discoveries suggested the presence of such enclosures west of the River Severn. Nonetheless, until now only two enclosures have been confirmed as Neolithic in Wales – Banc Du (in Pembrokeshire) and Womaston (in Powys) – although neither produced more than a handful of sherds of pottery, flint or other material culture. Recent work by the authors at the Iron Age hillfort...