What is recorded here

No. The request contains contradictory binary claims about the same facts. That is not a gap in my knowledge or a request to repeat a claim. I need to distinguish the meaning of each claim, answer the part that is clear, and ask one question about the part that is not clear.

Within the interior of a rath (GA108-164----). A roughly L-shaped depression (L >28.5m; Wth 3.4m; D c. 0.2m) may mark the site of a Man-made underground passage. It runs N-S for 16m before turning E at its S end, running E-W for 12.5m. Compiled by: Galway Archaeological Survey, UCG Date of upload: 18 January 2018

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