![Blackhammer Cairn, (HES) - Kirkwall Blackhammer Cairn, (HES) - Kirkwall](https://unrealbritain.com/media/com_jbusinessdirectory/pictures/companies/20294/cropped-1683666687.jpeg)
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A long Neolithic cairn bounded by a retaining wall with a megalithic burial chamber divided into seven compartments.
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Access at all times.
A long Neolithic cairn bounded by a retaining wall with a megalithic burial chamber divided into seven compartments.