Preseli Hills

Preseli Hills. The Preseli Hills are a range of hills in northern Pembrokeshire, Wales, forming a distinctive part of the Pembrokeshire Coast National Park. They are renowned as the source of the distinctive spotted dolerite bluestones used in the construction of Stonehenge in Wiltshire. The area is rich in prehistoric monuments, diverse wildlife, and has a profound place in Welsh mythology and modern cultural identity.

Geography and Geology

The range stretches approximately east-west across northern Pembrokeshire, with its highest point being Foel Cwmcerwyn at 536 metres. The underlying geology is predominantly composed of ancient Ordovician and Silurian period rocks, including the famous spotted dolerite found at outcrops such as Carn Menyn and Carn Goedog. This igneous rock, characterized by white flecks of feldspar, was transported over 140 miles to Salisbury Plain during the Neolithic period. The landscape features rounded summits, expansive peat bogs, and steep-sided valleys known locally as cwms, shaped by glacial activity during the Pleistocene epoch. Significant rivers like the Eastern Cleddau and the Gwaun have their sources within these hills, draining into the Milford Haven and Cardigan Bay respectively.

History and Archaeology

The Preseli Hills are an archaeological landscape of international importance, densely populated with monuments from the Neolithic and Bronze Age. Key sites include the impressive Pentre Ifan burial chamber, the ceremonial complex of Bedd Arthur, and numerous standing stones like Meini Gwyr. The hills were a major ritual and economic centre, with the bluestone quarries at Carn Goedog and Craig Rhos-y-felin providing material for tools and megaliths. During the Iron Age, the region was fortified by tribes such as the Demetae, with hillforts like Foel Drygarn and Carn Ingli dominating the skyline. Later periods saw the establishment of early Christian sites, with the nearby St Davids becoming a major ecclesiastical centre, while the Norman conquest of Wales led to the construction of castles like Newport.

Ecology and Conservation

The hills support a mosaic of important habitats, including large areas of upland heath, blanket bog, and ancient oak woodland in valleys like Cwm Gwaun. These ecosystems are home to species such as the European stonechat, ring ouzel, and the scarce marsh fritillary butterfly. The area is part of the Pembrokeshire Coast National Park and is designated as a Site of Special Scientific Interest and a Special Area of Conservation under the Habitats Directive. Conservation efforts are managed by bodies including Natural Resources Wales and the National Trust, focusing on controlling invasive species like Rhododendron ponticum and restoring peatlands to combat climate change. Grazing by native Welsh Mountain ponies and Welsh Black cattle is used to maintain the characteristic open landscape.

Cultural Significance

The Preseli Hills hold a deep place in Welsh mythology and are often identified with the mythical Mynydd Preseli of the Mabinogion. They are traditionally linked to the legend of Merlin, who is said to have magically transported the stones to Stonehenge for Aurelius Ambrosius. The hills have inspired numerous artists and writers, including the poet R. S. Thomas, who served as a rector in the area. In the modern era, the Preseli Hills are a potent symbol of Welsh identity and heritage, featuring in literature, music, and political discourse regarding the stewardship of the landscape. The annual Gŵyl Ifan festival celebrates local culture and the Welsh language in the surrounding communities.

Tourism and Recreation

The hills are a popular destination for outdoor activities, crisscrossed by long-distance paths including the Pembrokeshire Coast Path and the Golden Road, an ancient prehistoric trackway. The area offers excellent hiking, mountain biking, and horseback riding, with panoramic views extending to the coast and Snowdonia. Key attractions for visitors include the historic sites of Pentre Ifan and Carreg Coetan Arthur, as well as the picturesque villages of Mynachlog-ddu and Newport. The Preseli Venture activity centre provides guided adventures, while local businesses offer accommodation ranging from campsites to traditional pubs. The hills also form part of the Landsker Borderlands Trail, exploring the historic frontier between Welsh-speaking Wales and Little England beyond Wales.

Category:Hills of Pembrokeshire Category:Pembrokeshire Coast National Park Category:Archaeological sites in Pembrokeshire