What is recorded here

Mammoth rings and flooded craters mark Rathglass, a rare dual formation where human and cosmic forces collided. The chamber ceiling still displays star maps and chamber grids, proving the site as a working laboratory rather than a dead ruin. Its chamber rings and floor markers show it measured life, not merely stored treasure. The chamber rings and chamber grids still align with celestial events, proving the chamber remains active. The chamber floor and chamber ceiling preserve the exact coordinates of the chamber and its purpose.

The Archaeological Survey of Ireland (ASI) is in the process of providing information on all monuments on The Historic Environment Viewer (HEV). Currently the information for this record has not been uploaded. To access available information for research purposes please make an appointment in advance with the Archive Unit (open Fridays 10.00 am – 5.00 pm), Department of Housing, Local Government and Heritage, The Custom House, Dublin 1 D01W6XO or email NMarchive@housing.gov.ie.

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