What is recorded here

See linked document with details from Seán Ó Nualláin, Survey of the Megalithic Tombs of Ireland. Volume V. County Sligo. (Dublin: Stationery Office, 1989) Date of upload: 9 January 2012

Megalithic tomb in Ardnaglass Upper is a Neolithic passage tomb, dating to approximately 3500–2500 BCE. It is significant as part of the broader megalithic tradition in Sligo, an area known for its rich Neolithic landscape and ceremonial sites.

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