Ringforts, known in Irish as raths when constructed from earth and banks of soil, were the most common form of rural settlement in early medieval Ireland, built roughly between the fifth and twelfth centuries. Tens of thousands were constructed across the island, and yet each one represents a particular family, a particular farm, a particular moment of someone deciding that this patch of ground was worth enclosing and defending.

The rath at Drumcavan belongs to a county already dense with such monuments. Clare's landscape, shaped by limestone karst, thin soils, and centuries of agricultural continuity, has preserved a remarkable number of early medieval earthworks simply because the land was never subjected to the intensive ploughing that erased so many ringforts elsewhere in Ireland. The circular bank and internal platform of a rath would originally have enclosed a house or cluster of houses, along with pens for livestock. The enclosure provided a degree of protection but also communicated status, since the size and elaborateness of a ringfort reflected the rank of the family within the rigid social hierarchy of Brehon law Ireland.