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The Labby Rock

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Castlebaldwin, Sligo, Republic of Ireland

The enormous Labby Rock, in Castlebaldwin County Sligo, is an extraordinary example of a portal dolmen. It has a massive capstone weighing around 70 tonne, making it one of the biggest in Ireland.

Labby Rock, in Castlebaldwin County Sligo, is one of the biggest portal dolmens in Ireland. It is situated at the head of a narrow valley and consists of a well preserved chamber with the large capstone resting on four supports.

The massive limestone capstone of Labby Rock weighs about 70 tonne, and is 4.4 metres long and 3.4 metres wide and around 2m thick. The portal stones are tightly closed by a large stone.