What is recorded here

Peel back the peat and a twenty-two metre ring of boulders appears, its displaced kerbstones marking a chamber no larger than a human embrace. The tomb sits on Seahan Mountain, facing the Liffey valley and the distant tombs at Mountpelier, as if death itself belonged to the wider landscape rather than a single family. People may have carried their dead through the narrow north-south passage into that small square room, sealing them beneath a capstone still slightly askew.

Situated NE of the summit of Seahan Mountain from which there are extensive views of the Liffey valley, and the passage tombs at Mountpelier. The passage tomb is much denuded and peat covered. It comprises a roughly circular cairn (diam.22m) which is defined by boulders, best preserved in the S and E. Many of the kerbstones have been displaced. There are indications of a passage, aligned N-S and a central square chamber (0.9m sq. ) defined by three orthostats at W (H 0.49m), E (H 0.7m) and S (H 0.57m). The chamber is covered by a slightly displaced capstone (Herity 1974, 256; Redmond and Mac Aonghusa 1994, 36-9). Compiled by: Geraldine Stout and Padraig Clancy Revised upload on: 7 July 2018

Passage tomb, dating to the Neolithic period (c. 3500–2500 BCE), associated with early farming communities in Ireland. Its location near other passage tombs suggests it may be part of a wider ritual landscape linked to astronomical or ceremonial practices.

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