At the summits of the mountain are the remains of two prehistoric burial cairns. The one on the summit is the ‘Great Cairn’ which would originally have been c.40 metres in diameter. Today much of the covering cairn has been removed and the chamber has collapsed. It is believed the ‘Great Carin’ was a Neolithic Passage Grave or Tomb from 3300-3000 BC.
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From the summit there are magnificent views of the County Down Coastline and on a clear day it is possible to see Belfast Lough, the Isle of Man and Dublin Bay.