Mynydd Preseli

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Mynydd Preseli

Distance - 5.6  Miles
Duration - 3 hours

Take in the sights of the famous Preseli Hills Composed of hard Ordovician shale and mudstone compressed into slates with scattered fragments of rhyolite and dolerite - the famous bluestone that forms the inner ring of Stonehenge - the Preseli Hills are the highest hills in Pembroke. The crag of Carn Menyn is the source of the Stonehenge pillars and nearby Bedd Arthur is the Preselis' own, rather unusual, eye-shaped stone circle. There's a memorial to Welsh language poet Waldo Williams at Mynachlog-ddu. If you're lucky to get clear weather, you'll be able to see north to the Lleyn peninsula and west to the hills of Co. Wicklow in Ireland. Keep your eyes peeled on the hill though, as the bird life - particularly in the winter months - can be remarkable with living clouds of starlings congregating to roost there. Also look out for hunting buzzards and sparrowhawks. In the spring ring ouzel and snow bunting are common migrants. Much of the upland is boggy and, as a result, very acidic so you can find rare acid tolerant plants like fir clubmoss, liverwort, ferns and orchids with insects like the marsh fritillary butterfly and the southern damselfly. Heather carpets the drier heathland in late summer. Look out for buzzards, kestrels, curlews, ravens and skylarks. Text provided by the BBC

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