A cashel is a type of ringfort built from dry-stone walling rather than earthen banks, and they are associated in Ireland with early medieval settlement and farming, typically dating from roughly the sixth to the twelfth century. This particular example is small even by the modest standards of its type, and what makes it worth pausing over is precisely how much has been lost, and yet how much can still be read in the ground.

The earliest recorded description comes from O'Kelly, writing in 1944, who noted a circular bank enclosing an open space, with the rampart already heavily collapsed to a height of around 0.76 metres, and the entrance no longer recognisable. The overall diameter at that point was recorded as approximately 33 metres. O'Kelly also observed what he described as ancient fences visible in the vicinity, suggesting the cashel did not stand alone but was once part of a wider pattern of land division. By the time Condit and Coyne re-examined the site in 2004, they described it as an oval enclosure measuring 25 metres east to west, surrounded by a stone bank, with a slightly dished interior that offered no surface features of note. They identified a possible entrance feature at the southern side, which is a common placement in Irish ringforts. Aerial photographs taken on 5 January 2003 under the reference ASIAP 348/15, 16, and 17 form part of the documented record.

The site sits within Knockainy West, a townland in an area of County Limerick with considerable early historic significance. Because the cashel is heavily collapsed, a visitor should not expect an imposing structure; what remains is a low, spread stone bank forming a rough oval in the ground, and the slightly sunken interior that both O'Kelly and later surveyors noted. The possible southern entrance is the feature most worth looking for, though it requires some patience to distinguish. As with many such sites on private farmland, access would depend on the landowner's permission. The aerial photography record is held by the Archaeological Survey of Ireland and can provide useful orientation before visiting.