This is a togher, the Irish term for a wooden trackway constructed across wet or marshy ground, and the example recorded here is a modest but quietly remarkable piece of ancient engineering. It measures just over one and a half metres wide and roughly fifteen centimetres deep, orientated east to west, and its fabric is composed of longitudinal roundwood and brushwood, the kind of material cut from living woodland and laid down with a practical economy that needed no elaboration.

The wood used tells its own quiet story. Alder, ash, and hazel are all species that would have grown close to wetland margins in Ireland for millennia, and each has properties that made it useful for this kind of construction. Alder in particular is well known for its durability when kept wet, which helps explain why togher timbers sometimes survive for thousands of years in the anaerobic conditions of a bog. Toghers range considerably in their complexity and ambition, from simple bundles of brushwood thrown across a soft patch to substantial multi-layered roads serving regular traffic between settlements. This example, classified as a class 3 togher, sits somewhere in the middle of that spectrum, a functional crossing rather than a monument, built to solve a problem that boggy midland terrain posed to anyone needing to move through the landscape on foot or with animals.