During excavation, one feature initially recorded as a burnt mound proved to be nothing of the sort: naturally blackened soils mimicking the tell-tale dark, ashy deposits that archaeologists associate with prehistoric activity. It is the kind of detail that rarely makes it into the finished record, but it says something honest about how fieldwork actually proceeds.

Burnt mounds are among the more enigmatic features of the Irish Bronze Age landscape. They are accumulations of fire-cracked stone and charcoal-rich earth, typically found near water, and almost certainly the byproduct of some process involving intense, repeated heating, though whether that was cooking, bathing, industrial craft work, or some combination remains debated. At Camlin, excavation following the initial testing phase identified four genuine examples. One of these, designated BM4, survives as a deposit roughly seven metres in diameter, though a modern drain has cut through it, dividing the mound into two distinct portions. That intrusion is a reminder of how much of what lies beneath Irish fields has been quietly altered by drainage schemes and agricultural improvement long before any archaeologist arrives.