Brusselstown Ring lies within the Baltinglass hillfort cluster, a landscape of up to 13 large hilltop enclosures that shows nearly continuous activity from the Early Neolithic through the Bronze Age. What is singular about Brusselstown, however, is its extraordinary scale and layout. Two widely spaced ramparts surround the site, with the outer boundary encompassing not only the main hillfort but also the nearby Neolithic enclosure at Spinas Hill 1. Enclosures extending across more than one hill are rare in Ireland and Britain and are very uncommon even in later Iron Age Europe.Airborne and topographical surveys identified more than 600 subtle...