Oval in form, it is the second-largest neolithic mound in Britain
Excavations have uncovered no burial chambers or other underground works, which may indicate that it was used as a look-out or hill fort ; there is evidence that there was a considerable amount of stone on the top of hill. In the 17th century, its prominent position allowed a beacon to be placed there.
The mound lies on top of GOP HILL (823 feet), a natural limestone
outcrop, in the side of which are the Gop Caves. Gop Hill from
* ^ Whitfield, Paul; Le Nevez, Catherine; Parker, Mike (2012). The Rough Guide to Wales. p. 398. ISBN 978-1-40538-981-5 .
* The Megalithic