Twenty-nine toghers, including some probable examples, were identified in Killoran townland during field survey, clustered across a single stretch of bogland. A togher is a trackway laid across wet or boggy ground, typically built from timber rather than stone, and designed to carry people and animals safely over terrain that would otherwise be impassable. That so many should survive in one townland, preserved by the anaerobic conditions of the bog, is quietly remarkable.

A field survey carried out by Gowen in 1999 recorded the construction methods used across the group. Fifteen of the toghers were built from brushwood alone, the simplest technique available, while the remainder combined brushwood with roundwood for additional stability. Three examples showed evidence of pegs or stakes, suggesting a more deliberate effort to anchor the structure against the soft ground. The wood species identified across thirteen toghers included alder, ash, birch, elm, hazel, holly, and mountain ash, with ash and hazel appearing most frequently. These were not exotic or imported materials; they were whatever the surrounding landscape could readily supply. Radiocarbon dating of one togher returned a date range of AD 1024 to 1162, placing at least part of this network firmly in the early medieval period, when the Irish midland bogs were being actively traversed rather than avoided.