This is a togher, the Irish term for a timber trackway laid across boggy terrain to allow people or animals to pass safely, and what survives here is modest almost to the point of invisibility: just 65 centimetres wide and 10 centimetres deep, oriented north-north-east to south-south-west, it represents one of the more quietly remarkable categories of early Irish engineering.

What makes this particular example worth pausing over is the detail recorded on one of its three longitudinal roundwoods. It carries toolmarks, the physical traces of someone shaping or working the timber before it was laid down. That small fact collapses the distance between the present and a moment of labour in the past, a person with a blade, preparing a piece of wood to bear the weight of other people crossing uncertain ground. The classification as a class 3 togher places it within a typology based on construction method, with class 3 generally indicating a simple laid-wood structure rather than a more elaborate pegged or planked road. The Irish boglands have preserved hundreds of such trackways in various states, the anaerobic, acidic conditions of the peat acting as a natural archive for organic material that would otherwise have vanished centuries ago.