CPAT Regional Historic Environment Record
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Pant Serthfa stones

Primary Reference Number (PRN) : 3856
Trust : Clwyd Powys
Community : Llangynidr
Unitary authority : Powys
NGR : SO1184816732
Site Type (preferred type first) : BRONZE AGE STONE ALIGNMENT
Status : scheduled monument

Description :
ALIGNMENT OF 3 UPRIGHT AND 1 FALLEN STONES SOME 4.5M OVERALL LENGTH VARYING FROM 0.2M TO 0.5M HIGH (Jones, P M, 1974).

Poss stone row of 4 stone, some 6. 1m overall length. Stones varying from 0. 4m to 0. 8m high. Northernmost stone recumbent. (OS 1976)

CPAT site visit, 1981 suggests that alignment is possibly a fortuitous natural occurrence. (CPAT, 1981)

Site originally mis-sited by Jones, P M, 1974, and given new PRN of 3340 - now deleted.

Site surveyed in 1999 by N. Phillips. Grid reference ammended from SO12001676 to SO11841676 (Phillips, N, 1999).

(SC 8) On a local summit N. of PANT SERTHFA, some 485 m above O.D., lies a stone row consisting of 4 uprights spaced out 6.3 m and aligned almost due N.-S. and varying in height from 0.4 to 0.8 m.
The most northerly stone is a recumbent limestone slab, 1.3 m square and 0.45 m thick to the S. the next stone, partly turf-covered, is also of limestone, 1.5 m N.-S. by 0.5 m high and 0.25 m thick. The remaining two are gently-tapered round-topped sandstone monoliths. These are 0.55 m square by 0.75 m high and leaning to the S.W., and 0.45 m square and 0.8 m high, fallen to the S.
O.S. Card SO 11 NW 16.
RCAHMW, 1995 - Draft Inventory description

As OS 1976 point out, Jones' stone alignment has a grid ref 200m away at SO118169, and descrption of row is quite different in length of row and size of stones . The possibility that there are two rows here cannot be ruled out (CPAT 2001)

Stone row possibly originally 3.2m long comprising three sandstone uprights with what appears to be a natural limestone slab at the north end of the row. The southern stone leans excessively to the south, and measures 0.85m high, 0.45 long and 0.34m thick. 1.7m to the north (centre to centre) is an upright stone leaning slightly to the west, measuring 0.75m high, 0.5m long and 0.4m thick. The northernmost stone measures 1.1m long, 0.5m wide and 0.35m thick and has been displaced, now lying to the east of the alignment with a turf mound on the west side. (CPAT 2006)

Scheduled in 2007: The monument comprises the remains of a stone row, situated upon the leading edge of the Pant Serthfa terrace, below the crags of Clo Cadno and overlooking the Dyffryn Crawnon in the Eastern Brecon Beacons. The row measures c. 3.2m in length and comprises four stones aligned from N to S: three are upright or recumbent slabs, while that to the N is a large limestone boulder. (Cadw, 2007)


Sources :
Cadw , 2006 , Cadw Field Monument Wardens Report - BR374(POW)
Cadw , 2006 , Scheduling map - Br374(POW)
Cadw , Various , Cof Cymru - National Historic Assets of Wales ( © CPAT)
Clwyd Powys Archaeological Trust , 1981 , Site visit record - PRN3856
Jones, N W , 2002 , Prehistoric Funerary & Ritual Sites: Brecknockshire; Initial Project Report ( © Clwyd Powys Archaeological Trust)
Jones, N. W., & Culshaw, V , 2016 , Mynydd Llangynidr Community Archaeology: Scoping Study ( © Clwyd-Powys Archaeological Trust (CPAT))
Jones, N. W., & Owen, W. J , 2006 , Prehistoric Funerary & Ritual Sites: Eastern Brecon Beacons, Project Report ( © Clwyd Powys Archaeological Trust)
Jones, Nigel W , 2007 , Prehistoric Funerary and Ritual Monuments in Breconshire , Brycheiniog : 39 : 23-46
Jones, P M , 1974 , Breconshire , Archaeology in Wales : 14 : 7
Ordnance Survey , 1976 , OS record card SO11NW 10, PRN 3340
Ordnance Survey , 1976 , OS record card SO11NW 16
Phillips, N , 1999 , Survey records from Myndd Llangynidr, Powys
Royal Commission on the Ancient and Historical Monuments of Wales , 1995 , An Inventory of the Ancient Monuments in Brecknock (Brycheiniog); The Prehistoric and Roman Monuments, Part i - draft text
Royal Commission on the Ancient and Historical Monuments of Wales , 1997 , An Inventory of the Ancient Monuments in Brecknock (Brycheiniog); The Prehistoric and Roman Monuments, Part i

Events :
49160 : Pant Serthfa stones, topographical survey 1999 (year : 1999)
213791 : Mynydd Llangynidr Community Archaeology Scoping Study, field survey, 2016 (year : 2016)

Related records

Compiled date : 31-12-1981


Images :



Archaeological data, from the Historic Environment Record, supplied by The Clwyd-Powys Archaeological Trust in partnership with Local Authorities, Cadw and the partners of ENDEX © CPAT, 2025 (and in part © Crown, 2025). It is intended to be used for private research only and is not for use as part of commercial projects. If you wish to use this information for publication in printed or multimedia form or to compile resources for commercial use, prior permission must be obtained in writing. Use of this information is subject to the terms and conditions of access to HER data published on CPAT's website. Please contact the HER if you have any further questions regarding this information. Please quote the Primary Reference Numbers (PRNs) in any correspondence.

May 13, 2025, 12:35 pm - File produced for Archwilio from CPAT's Regional HER.
Clwyd-Powys Archaeological Trust, The Offices, Coed y Dinas, Welshpool, Powys, SY21 8RP
tel (01938) 553670, email her@cpat.org.uk, website www.cpat.org.uk

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