On it sits a recorded enclosure, the kind of roughly circular or oval boundary, typically built from stone or earthen banks, that punctuates the Irish landscape in enormous numbers and spans several thousand years of human activity. What sets any such enclosure apart from mere field boundaries is the question it raises about intention: was this a defended settlement, a ceremonial space, a place to keep livestock safe, or something else entirely? On Acaill Bheag, that question hangs particularly open.