The site at Lough Boora in Broughal only became accessible when the water receded enough to expose its bed, revealing a fossil lake shore that had effectively been locked in place since the Mesolithic period. What emerged was not a monument or a tomb, but something far more intimate: the everyday litter of people who had stopped here, eaten, made tools, and moved on.

The site was discovered in 1977 and excavated by the National Museum under the direction of Dr Michael Ryan. The excavation uncovered a series of hearths dense with charcoal, along with burnt bones from mammals, birds, and fish, the remnants of meals eaten on this shore roughly nine thousand years ago. Alongside the food debris came the waste material from toolmaking, the chipped-off flakes and failed attempts that accumulate wherever someone sits down to work stone or bone. More than 400 objects were recovered in total. These included three polished stone axe heads, nearly 200 microliths, which are the tiny shaped flint or chert blades used as cutting edges or arrow tips in Mesolithic technology, as well as larger blades and scrapers of chert. Radiocarbon dating placed the occupation between approximately 7000 and 6500 BC, making this one of the earlier known habitation sites in Ireland. The location itself tells part of the story: the people who camped here chose a lake shore, a productive edge between water and land, and the peat that grew over it in subsequent millennia preserved the evidence long enough for it to survive into the twentieth century.