A cashel is a ringfort built from stone rather than earthen banks, a form of enclosed farmstead that was common across Ireland during the early medieval period, roughly between the fifth and twelfth centuries. Thousands survive in various states across the country, but each one occupies its own specific patch of ground, shaped by local geology, land use, and the decisions of the family or community that built it.

Clare is particularly rich in these stone enclosures, partly because the limestone karst of the Burren and its surrounding areas provided ready building material and partly because the region supported dense early medieval settlement. Ringforts of the cashel type typically consisted of a circular or oval stone wall enclosing a domestic space, sometimes with souterrains, underground stone-lined passages that may have served for storage or as places of refuge, and occasionally with traces of internal structures still legible on the surface. The townland name Carrowdotia derives from the Irish, with carrow indicating a quarter-land division, a unit of landholding that itself speaks to the long agricultural history of this part of Clare.