Tomen yr Allt (or Domen yr Allt) was a Medieval motte and bailey defensive castle near

Llanfyllin Llanfyllin ( – ) is a market town, community and electoral ward in a sparsely populated area in Montgomeryshire, Powys, Wales. Llanfyllin's community population in 2011 was 1,532, of whom 34.1% could speak Welsh. Llanfyllin means ''church or ...

Powys Powys (; ) is a county and preserved county in Wales. It is named after the Kingdom of Powys which was a Welsh successor state, petty kingdom and principality that emerged during the Middle Ages following the end of Roman rule in Britain. Geog ...

, Wales. "Tomen ar hallt" is modern Welsh for "mound on the wooded hillside." Motte Strichzeichnung

Description

The site is over in diameter; the central man-made earthwork mound (

motte A motte-and-bailey castle is a European fortification with a wooden or stone keep situated on a raised area of ground called a motte, accompanied by a walled courtyard, or bailey, surrounded by a protective ditch and palisade. Relatively easy to ...

) is about and nearly high. There is a continuous stony ditch, which is doubled on the north-east side, away from the natural slope of the hill. The bank is flattened where it joins fields on the south-east side and no bailey is apparent in that section. Most of the earthworks remain and the keep of the castle was probably timber, as CPAT (

Clwyd-Powys Archaeological Trust The Clwyd-Powys Archaeological Trust (CPAT) ( cy, Ymddiriedolaeth Archeolegol Clwyd-Powys (YACP)) is an educational charity which was established in 1975. Its objective is ‘to advance the education of the public in archaeology’. CPAT is one of ...

) found a piece of daub and the remains of a burnt layer in 1978. The site is a Cadw scheduled monument.

History

Tomen yr Allt was the

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