Carn Menyn on the skyline, viewed from the north
|Elevation||365 m (1,198 ft)|
|Prominence||48 m (157 ft)|
|Parent peak||Foel Cwmcerwyn|
|Translation||Butter Rock (Welsh)|
|Location||Pembrokeshire, United Kingdom|
|Topo map||OS Outdoor Leisure 35|
The name means "Butter Rock". It is sometimes called Carn Meini ("Rock of Stones"), but this is a modern corruption of the original name. It sits on top of the Preseli ridge, close to the stone setting of Bedd Arthur and is believed by some to have been the main source for the bluestones used at Stonehenge. It consists of an outcrop of white spotted dolerite similar to that of other tors in the area, and several other prehistoric sites have been identified nearby. The mountain-top setting provides commanding views over the Gower Peninsula and across Cardigan Bay to the Llŷn Peninsula.
Pembrokeshire had been considered the source of the bluestones since Sir Andrew Ramsey first suggested it as a contender in the mid-nineteenth century. In the early 1920s HH Thomas was able to resolve this to the Preseli Hills and in 2005 work led by Timothy Darvill and Geoff Wainwright suggested Carn Menyn as the primary quarry. This is disputed by others, and Williams-Thorpe and others from the Open University have suggested that the Stonehenge bluestones came from many different places, with Carn Goedog about 1 mile to the west as the most likely source for the spotted dolerites.
Survey work between 2002 and 2004 by the Strumble-Preseli Ancient Communities and Environment Study (SPACES) recorded an enclosure on the upper part of the outcrop consisting of a steep-sided promontory with a bank of stones across its neck. Although only around 3,500 square metres in area the enclosure contains several dolerite outcrops, each naturally fractured into shapes that could be formed into columns. Semi-worked megaliths lay scattered around apparently having been simply levered out from the larger outcrops. It is debatable whether these "semi-worked megaliths" are prehistoric or recent, since this area has been used by the farming community for at least 300 years for the collection of stone gateposts, lintels and building slabs.
Geochemical analysis has shown that some of the bluestones from the inner horseshoe at Stonehenge probably came from Carn Menyn, Carn Goedog, Carn Breseb, Cerrig Marchogion and other sites in the Preseli Hills, while rhyolite fragments may have come from Carn Alw and further afield.
Evidence for prehistoric and later exploitation of the stone at Carn Menyn has been found despite the site's remoteness. Two nearby chapels and many houses in the area were built from Carn Menyn stone. However, this stone was not used preferentially in megalithic or ritual structures—stone from all of the outcrops or tors on Mynydd Preseli has been used in buildings and field boundaries, so long as access by horse-drawn sleds and carts was possible.
In April 2005 an excavation at the site clarified the extent of the enclosure but did not retrieve any cultural material. The same year, the then Archdruid of the Welsh Gorsedd of Bards, Dr Robyn Lewis, wrote to the Daily Telegraph proposing that the Bluestones be returned from Stonehenge to the Preseli Hills. This was also the subject of a stage play called Bringing Back the Bluestones.
- Charles, B. G., The Placenames of Pembrokeshire, National Library of Wales, Aberystwyth, 1992, ISBN 0-907158-58-7, p 125
- Brian John, 2008 "The Bluestone Enigma: Stonehenge, Preseli and the Ice Age." Greencroft Books. ISBN 978-0-905559-89-6.
- British Archeology Issue 78 September 2004- ISSN 1357-4442
- Darvill, T and Wainwright, G, Exploring Preseli in British Archaeology 83, July–August 2005, p29.
- Williams-Thorpe, Olwen et al, Oxford Journal of Archaeology, 25(1). pp 29–46 (2006)
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