It belongs to a broad category of monuments that includes everything from prehistoric enclosures and ringforts to field boundaries and ceremonial sites, earthworks being, in essence, any deliberate shaping of the ground that has survived long enough to be noticed and mapped. What makes this particular example quietly interesting is precisely the gap in the record: it has been identified, given a classification, assigned a place on the map, and then left, for now, without a public account of what it actually is.

Knockanean is a small townland outside Ennis, the county town of Clare, and the broader area sits within a landscape that has been continuously inhabited and worked since prehistoric times. Clare has an unusually dense concentration of archaeological monuments, from the limestone pavements of the Burren in the north, with their wedge tombs and cashels, to the river meadows of the Shannon basin further east. An earthwork in this context could represent almost any period of human activity. Without further detail it is impossible to say whether this is the remains of a ringfort, a class of roughly circular enclosure that served as a farmstead from the early medieval period onwards, or something older, or something considerably more modest, such as a field bank or a drainage feature that simply accumulated significance by surviving.