Preseli Hills, Mountains Mynachlog ddu, Pembrokeshire - Wales where to go, what to see and where to stay in Wales

The Preseli Hills or Preseli Mountains are a range of hills in the north of Pembrokeshire, South West Wales. <br><br> The hills rise to 536 metres above sea level at Foel Cwmcerwyn and are dotted with prehistoric remains, including evidence of Neolithic settlement. <br><br> It is believed the hills and particularly Carn Menyn, are the source of the bluestone used in the construction of Stonehenge. <br><br> The Preseli Hills form part of the Pembrokeshire Coast National Park.