Look carefully, though, and a roughly circular depression about twenty metres across resolves itself into something deliberate, the ghost of a stone enclosure that once defined a domestic world entirely separate from our own.

This is a cashel, the term used in Irish archaeology for a ringfort built from stone rather than earthen banks. Ringforts, which date broadly from the early medieval period, were the standard farmstead type across early Christian Ireland, typically enclosing a family's dwelling, outbuildings, and livestock within a defended boundary. The stone version, the cashel, was naturally more common in areas where building material lay at the surface, and Ballyhomock sits in precisely such a landscape, with limestone outcropping through the ground. The enclosing bank here survives to an internal height of around 1.1 metres and an external height of about 0.5 metres, lower on the outside because the ground level differs on each face. Over time, the bank on the north-west to north-north-east arc was absorbed into the local field boundary system, a fate common to many such monuments, their fabric quietly pressed into agricultural service by later generations. The site was recorded and compiled by Denis Power, with notes uploaded in August 2011.

Accessing the site requires patience rather than difficulty. The interior of the cashel is almost entirely given over to dense overgrowth, and only the southern verge offers any real entry point. Visitors should expect rough pasture underfoot and vegetation that will have done its best to erase the cleaner lines of the bank. The outcropping limestone that surrounds the site is worth noting in its own right; it gives the landscape a particular pale, skeletal quality that helps explain why a community here once built in stone at all. There are no facilities, no signage, and no obvious path. The reward is the slightly vertiginous sensation of recognising, just beneath the brambles and the field wall, the outline of a place where someone once closed a gate against the dark.