Browneshill Portal Tomb (also know as Kernanstown Cromlech) is believed to be the largest of its kind in Ireland, if not in Europe. The capstone is immense, weighing well over 100 tonnes and measuring 6metres by 4.7metres. On one side the capstone is held up by two portal stones flanking a central gate stone. It is thought that originally the tomb would have been covered by an earthen mound with only the entrance to the chamber visible. Browneshill Dolmen has never been excavated but it is believed it dates from 4,000-3,000 BC.
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