Somewhere beneath the surface of Timahoe Bog in County Kildare, Bronze Age timber has been lying in the peat for more than three thousand years. A togher, the Irish term for a wooden trackway built across bogland, was constructed here to carry people and probably goods across what would otherwise have been impassable ground. What makes this particular example unusual is not just its age but the detail preserved within it: morticed joints, precisely worked wedge and chisel points, yew roundwoods, and a brushwood foundation up to eight rods deep, all locked into the anaerobic conditions that make bogs such extraordinary archives of organic material.

The trackway was originally estimated to have run for approximately 2,600 metres in an east-west direction across Timahoe Bog, linking dry ground at Drumachon island to the east with Kilkeaskin townland to the west. It also intersected a second togher crossing the same bog on a different alignment, suggesting this was not an isolated route but part of a broader network of movement through the midland wetlands. Excavation by Rynne in 1966 revealed a structure of large oak planks laid both longitudinally and transversely over a substructure of roundwood runners, with a thick brushwood layer secured by pegs beneath the main timbers. Some yew pieces protruding above the surface of the trackway were initially interpreted as deliberate route markers, though it has since been suggested they may simply be pegs that gradually rose up through the peat over centuries. Dendrochronological dating, which uses tree-ring analysis to establish when timber was felled, indicates the trackway was built in two phases: the substructure dates to around 1483 BC, and the overlying planked surface to approximately 1378 BC, meaning roughly a century separated the two phases of construction. By the time the Irish Archaeological Wetland Unit surveyed the surviving remains in 1992, around 218.9 metres of the structure was still measurable in situ, covered by a thin layer of sand and gravel, with many displaced timbers nearby pointing to an originally more extensive feature.