Prehistoric sites in Powys - mid Wales & Brecon Beacons

CADW describes the Cerrig Duon site as a a 'ritual complex'. There is a small oval of standing stones (Cerrig Duon) with 2 long stone rows, and about 30 feet away is a tall standing stone (Maem Mawr) with two small stones aligned in a row.
Craig-y-nos, Brecon Beacons, Powys, Wales

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As the name suggests, this is a group of four evenly spaced standing stones, of 5-6 feet in height, in a rectangle shape. The south-west stone has 3 depressions which may be cup marks.
Walton, Presteigne, Powys, Wales

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In a moorland field north of Ystradfellte stands a well-preserved Bronze Age stone, rising some 3.7m high (about 12 feet). According to legend, the stone sometimes travels to a nearby river to drink -- but there are three different versions of the tale, each mentioning a different river.
Sarn Helen, Ystradfellte, Brecon Beacons, Powys, Wales, LD3 8SU

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Heritage Highlight: Well-preserved Bronze Age standing stone
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Maen Madoc is a late-Roman grave marker, possibly re-used from an earlier Bronze Age standing stone, with a Latin inscription on one face. The stone has been re-erected beside the old Roman road of Sarn Helen, just outside Blaen Llia Forest.
Sarn Helen, Blaen Llia Forest, Ystradfellte, Brecon Beacons, Powys, Wales

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Heritage Highlight: late Roman Latin inscription
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Two circles can be seen here, each composed of small stones. There are several larger fallen stones near the circles, plus a separate 3 stone grouping near the largest circle.
Brecks, Powys, Wales

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Four stones are all that remain here. One standing stone hovers over two that lie level with the ground, while another protrudes slightly above the surface.
Hay-on-Wye, Powys, Wales

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A bog has swallowed up part of an ancient stone circle here, but a long avenue leading to the circle is visible, as are prehistoric burial cairns.
Llangynog, Powys, Wales

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Trecastle Mountain is one of the many prehistoric remains surrounding Brecks. There are two circles of small stones here, the larger measuring 74 feet in diameter. A small mound in the centre of the larger ring may indicate a burial.
Trecastle, Powys, Wales

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