Skirrid Fawr

Coordinates: 51°51′30″N 2°58′15″W / 51.858386°N 2.970816°W / 51.858386; -2.970816
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Skirrid Fawr
Ysgyryd Fawr
Ysgyryd Fawr from the northwest
Highest point
Elevation486 m (1,594 ft)
Prominence344 m (1,129 ft)
Parent peakSugar Loaf
Coordinates51°51′30″N 2°58′15″W / 51.858386°N 2.970816°W / 51.858386; -2.970816
English translationGreat shattered [hill]
Language of nameWelsh
PronunciationWelsh: [ɐsˈɡɐɾɪd ˈvæuɾ]
Skirrid Fawr is located in Monmouthshire
Skirrid Fawr
Skirrid Fawr
Parent rangeBlack Mountains
OS gridSO331182
Topo mapOS Landranger 161

Skirrid Fawr (Welsh: Ysgyryd Fawr , Welsh pronunciation: [ɐsˈɡɐɾɪd ˈvæuɾ]), often referred to as just the Skirrid, is an easterly outlier of the Black Mountains in Wales.[1] It forms the easternmost part of the Brecon Beacons National Park. The smaller hill of Ysgyryd Fach or "Little Skirrid" (270 metres or 890 feet) lies about 2+12 miles (4 kilometres) south.

It is 486 metres (1,594 feet) high and lies just to the north-east of Abergavenny, Monmouthshire, about ten miles (16 kilometres) from the English border. The Beacons Way passes along the ridge.[2]


The distinctive landslip viewed from the south

The distinctive shape of this Old Red Sandstone hill comprises a long ridge oriented nearly north–south, with a jagged western side resulting from ice age landslips .[3] The upper slopes of the hill are composed of Devonian age sandstones assigned to the Senni Formation (formerly known as the "Senni Beds"). These overlie weaker mudstones of the St Maughans Formation - a situation which has contributed to the instability of the hill's steep flanks, resulting in a very large landslip at the northern end of the mountain, although the British Geological Survey map of the area (Abergavenny sheet) shows the landslide extending along the whole of the west side of the mountain. There are numerous other landslips of a similar nature on the nearby hills, although that on the Skirrid is perhaps the most well known owing to its visibility from several directions.[4] Some of the landslide areas contain numerous jumbled blocks of sandstone, one of which is known as the "Devil's Table". The ridge is very similar in its rocky edge to that found on the Black Hill to the north in Herefordshire.

Cultural associations[edit]

The Welsh name Ysgyryd meaning 'split' or 'shattered' and Fawr meaning 'great' describes the hill's shape.[5] There is a rich mythology attached to the mountain ,[6][7] including a distinctive stone known as the Devil's Table. According to legend, part of the mountain is said to have been broken off at the moment of the crucifixion of Jesus.[8] There was a local tradition that earth from the Skirrid was holy and especially fertile, and it was taken away to be scattered on fields elsewhere, on coffins, and in the foundations of churches.[9] Pilgrimages were made, especially on Michaelmas Eve, to the summit.


Engraving c 1830 of The Sugar Loaf and Skyrrid mountains
The Skirrid Inn

In older literature the spelling Skyrrid is sometimes encountered and the mountain is also referred to locally as the Holy Mountain or Sacred Hill.[8] The ruins of an Iron Age hill fort and a mediæval chapel, dedicated to St. Michael, lie at the summit.[10][11] Rudolf Hess used to walk here when he was held prisoner at nearby Maindiff Court during the early 1940s. [6] North of the mountain at Llanvihangel Crucorney, The Skirrid Inn claims to be one of the oldest pubs in Wales.[12]

Ownership and access[edit]

Ysgyryd Fawr has belonged to the National Trust since 1939. The summit offers views of the Sugar Loaf to the west, and Blorenge to the south, and the ridge is easily accessed on foot from the car park beside the B4521 Ross Road shown on the Ordnance Survey maps. The ascent is steep initially through woods, but gradual thereafter as open ground is reached, and a fine walk along the spine of the mountain to the highest point at the north end of the mountain at the trig point and chapel; allow two hours for the completion and return in good weather. A rough path follows the perimeter of the hill at a much lower level, and can be used as a circular route.


  1. ^ "The Skirrid trail │ Abergavenny │ Wales". National Trust. Retrieved 18 July 2023.
  2. ^ "Beacons Way". Brecon Beacons National Park Authority.
  3. ^ Mountain Hut Productions (9 July 2003). "The Skirrid (Ysgyryd Fawr) Holy Mountain".
  4. ^ British Geological Survey: memoir to Abergavenny geological map sheet 232
  5. ^ Rickard, Trevor. "The Ysgyryd Fawr Landslip". Retrieved 26 May 2016.
  6. ^ a b Llanddewi Skirrid. "Facts and Fiction of Skirrid Fawr". Archived from the original on 29 September 2007. Retrieved 4 November 2006.
  7. ^ Rhiannon (8 March 2005). "Ysgyryd Fawr". The Modern Antiquarian.
  8. ^ a b "Skirrid Fawr walk, a mountain of mud and myths". National Trust. Retrieved 28 June 2016.
  9. ^ Roy Palmer, The Folklore of (old) Monmouthshire, 1998, ISBN 1-873827-40-7
  10. ^ "St Michael's Chapel". Historic Environment Record (HER). Glamorgan-Gwent Archaeological Trust (GGAT). PRN GGAT01473g. Retrieved 28 June 2016 – via archwilio (online database of the four Welsh Archaeological Trusts). {{cite web}}: External link in |via= (help)
  11. ^ "Ysgyryd (Skirrid) Fawr hillfort". Historic Environment Record (HER). Glamorgan-Gwent Archaeological Trust (GGAT). PRN GGAT01497g. Retrieved 28 June 2016 – via archwilio (online database of the four Welsh Archaeological Trusts). {{cite web}}: External link in |via= (help)
  12. ^ Knapman, Joshua (28 June 2018). "In search of the oldest pub in Wales". Wales Online. Retrieved 11 January 2023.

External links[edit]