It is a togher, the Irish term for a trackway laid across soft or marshy ground, and this particular example runs east to west, measuring roughly one and a half metres wide and fifteen centimetres deep. That modest scale places it in a tradition of practical, everyday crossing-making: not a grand ceremonial causeway, but the kind of route someone needed in order to move across ground that would otherwise have swallowed them whole.

Toghers were typically constructed by laying branches, planks, or bundled brushwood directly onto the bog surface, creating a firm enough path for people, animals, or loaded carts to pass. The use of hazel here is telling. Hazel was widely managed in early Irish woodland, coppiced on regular cycles to produce long, straight, flexible rods, and it appears frequently in bogroad construction precisely because it was abundant and easy to work. Corlea is already known for its archaeology of ancient trackways; the wider townland contains one of the most celebrated bog roads in Europe, a massive Iron Age timber causeway excavated and dated to 148 BC, now partly preserved in a dedicated interpretive centre nearby. This smaller, brushwood togher belongs to the same wet landscape, a place where the bog was not simply an obstacle but something people navigated, negotiated, and crossed repeatedly across many generations.