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Knucklas (Welsh: Cnwclas, meaning "green hillock") is a village in Powys, Wales, previously Radnorshire. It lies in the upper valley of the River Teme, just off the B4355 road and is served by Knucklas railway station on the Heart of Wales Line. It is approximately 2 miles (3.2 km) from the market town of Knighton.

Approaching Knucklas Viaduct - - 330122.jpg
Knucklas Viaduct, on the Heart of Wales Line, and the village of Knucklas beneath
Knucklas is located in Powys
Location within Powys
Population220 [2]
OS grid referenceSO251742
Principal area
Ceremonial county
Sovereign stateUnited Kingdom
Post townKnighton
Postcode districtLD7
Dialling code01547
FireMid and West Wales
EU ParliamentWales
UK Parliament
List of places
52°21′40″N 3°06′00″W / 52.361°N 3.1°W / 52.361; -3.1Coordinates: 52°21′40″N 3°06′00″W / 52.361°N 3.1°W / 52.361; -3.1


Notable landmarksEdit

The Castle MoundEdit

A protected ancient monument in the care of Knucklas Castle Community Land Project[1] and listed by Cadw,[2] it is the site of a castle believed to have been built by the Mortimers in about 1220–25.[3] It consisted of a square stone keep with four round towers, sited on top of a steep hill. There is some evidence that there may have been further outer walls. It was captured by a Welsh army in 1262, which destroyed the defences.

Below the castle lies the battlefield of the Battle of Beguildy thought to have been fought between the Welsh and the Mortimer family of Norman Marcher Lords in 1146. The castle was attacked and destroyed by the forces of Owain Glyndŵr in 1402 during his rebellion.[citation needed] Whilst there is a romantic story associating the castle location with the marriage of Guinevere and King Arthur,[4] this probably developed from an earlier story, which suggested that a marriage took place between Gwenhwyfar, the daughter of Ogrfan Gawr (also called 'Gogrfan Gawr "the Giant" of Castell y Cnwclas' – Knucklas Castle), and Arthur the warrior – there being no reference to Arthur as a king in the early Welsh texts.

The ViaductEdit

The spectacular 13-arch span was completed by the Central Wales Railway in 1865 and recorded in an engraving from the Illustrated London News.[5]


Three Bronze Age torcs were found here and declared treasure in 1991.[citation needed] They are now housed in the National Museum, Cardiff.[6]

The parish church of St David was built in 1882, on the site of a medieval church. The font dates from the 15th century.[7]

The longest-burning tyre fire in British history occurred in Heyope, lasting 13 years from 1989 to 2001.[7]

Further readingEdit

  • Noble, F. (1955): "The Bronze Age gold torcs from Heyope". Transactions of the Radnorshire Society, 25, pp. 34–38.


  1. ^ KCCLP
  2. ^ Cadw website
  3. ^ CPAT Report No 1088 Historic settlements in Radnorshire
  4. ^ "Castle Wales Website". Retrieved 3 Dec 2007.
  5. ^ "Gathering the Jewels". Archived from the original on 2007-10-30. Retrieved 3 Dec 2007.
  6. ^ [1].
  7. ^ a b Evans, A. T. D. (2008) Border Wanderings, p. 116.

External linksEdit