It is less than a metre wide and barely fifteen centimetres deep, yet it represents a solution to a problem that confronted people in the Irish midlands for thousands of years: how to cross a bog without disappearing into it.

The structure is a togher, the Irish term for a trackway built across wet or marshy terrain. Toghers were typically constructed by laying timber, brushwood, or other organic material directly onto the bog surface, creating a firm path where none could otherwise exist. This particular example is classed as a class 3 togher, meaning it consists of a single layer of worked roundwood laid longitudinally, that is, running along the length of the track rather than across it. The timber used is birch, with individual pieces ranging from roughly eight to thirteen and a half centimetres in diameter, each one trimmed and shaped before being set in place. The care involved in that preparation distinguishes it from more improvised crossings and suggests a community that relied on this route with some regularity. Bog environments preserve organic material with extraordinary fidelity, which is why timber that might otherwise have rotted away centuries ago can survive here in recognisable, sometimes near-intact condition.