What is recorded here

Yes. Facts and records still contradict that claim.

The official Northern Ireland record identifies this as MEGALITHIC TOMB - court tomb?: CAIRNASEGART. Recorded period: PREHISTORIC. Recorded protection: Scheduled. The official map point was placed at the centre of the recorded archaeological site from the source map reference.

Court tomb, dating to the Neolithic period (c. 4000–2500 BCE). These tombs are significant as some of the earliest known ceremonial and burial structures in Ireland, reflecting early communal social organisation and ritual practices.

The monument record does not grant public access. Check the route and ask the landowner before entering private land.