Duncla or Black Pigs Race — Dring,cartronbore,clogh (granard By.),dalystown,tonymore North,springtown,toberfelim,abbeylara,aghnagarron,ballinrud East,ballinrud Glebe,ballinrud West,ballinulty Lower,carragh,tonymore South,carrickduff,tromra

In pasture. Marked on all editions of the OS 6-inch map running in a NW–SE direction between Lough Gowna and Lough Kinale, a distance of c. 10.6km (Keegan 2010). Where best preserved, in the NW of Cartronbore townland, it comprises two substantial banks of earth and stone (Wth c. 8m; H c. 1.2m), similar in morphology, with a wide, steep-sided, flat-bottomed, intermediate fosse (Wth 7m; D c. 1m). However, almost all other sections of it have been levelled to a greater or lesser extent but its circuit is preserved in field boundaries and drains. The precise function of this linear earthwork is unknown though according to local tradition, it was seen as the territorial boundary between the provinces of Ulster and Leinster and between the Gaelic regions of Annaly and Breifne (Farrell 1891, 270). It seems more likely that it functioned as a territorial boundary marker rather than a defensive frontier line. (ITA Survey 1944; English 1971, 150; Williams 1989, 12–19; Columb 2002, 20–6; O’Donovan 2003, 24; Keegan 2010; CUCAP, AJO 50) Compiled by: Patrick F. O'Donovan Date of upload: 2 March 2012