Atlas of Hillforts of Britain and Ireland

WA1278 Aberllynfi Gaer, Brecknockshire (Gwernyfed Gaer; Gwernyfed Park Camp; The Gaer, Aberllynfi; Three Cocks Hillfort, Gwernyfed)

LiDAR 1m DTM Hillshade

LiDAR 1m DTM Hillshade

Satellite Imagery

Satellite Imagery

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HER:  Clwyd Powys 50376 (None)

NMR:  SO 13 NE (306022)

SM:  BR159(POW)

NGR:  SO17503758

X:  317500  Y:  237580  (OSGB36)

Summary

Small partial contour hillfort located on ridge at the confluence of the River Wye and Afon Llynfi between two stream tributaries of the Llynfi at Three Cocks. Surrounding slopes moderate to N and S, moderate to strong to E and W. Not in a commanding position as overlooked by higher ground to E. Sub-rectangular measuring c. 120m by 45m with internal area of main enclosure c. 0.45ha. Wooded ravine provides natural protection on E, the remainder having double banks and ditches with a counterscarp on W. Possible annexe to N. Material for the ramparts depended on the nature of the ditches; eg sandstone and marl. Inturned entrances on the NNE and SSW, the former approached by a slightly sunken track bounded by interesting banks. Excavations by H.N. Savory in 1951 produced Neolithic and Roman material, latter associated with iron workings in nearby Gwernyfed Park. Site within a 17th century deer park and shown as a feature on an estate map of 1756. Deliberately levelled after WWI and subsequently ploughed and now under improved pasture. On 1st Ed. OS map (1888).

Status

Citizen Science:  ✗

Reliability of Data:  Confirmed

Reliability of Interpretation:  Confirmed

Location

X:  -356667  Y:  6805630  (EPSG: 3857)

Longitude:  -3.203990717693376  Latitude:  52.0304337880621  (EPSG:4326)

Country:  Wales

Current County or Unitary Authority:  Powys

Historic County:  Brecknockshire

Current Parish/Community/Council/Townland:  Gwernyfed

Monument Condition

Deliberately levelled after WWI and subsequently ploughed. Split into two fields - NE and smaller SW.

Condition:
Extant   ✓
Cropmark   ✗
Likely Destroyed   ✓

Land Use

Under improved pasture. Wooded ravine on E. Within a 17th century deer park.

Current Use:
Woodland   ✗
Commercial Forestry Plantation   ✗
Parkland   ✓
Pasture (Grazing)   ✓
Arable   ✗
Scrub/Bracken   ✗
Bare Outcrop   ✗
Heather/Moorland   ✗
Heath   ✗
Built-up   ✗
Coastal Grassland   ✗
Other   ✗

Landscape

Hillfort Type

Small, sub-rectangular, partial contour hillfort located on ridge at the confluence of the River Wye and Afon Llynfi between two stream tributaries of the Llynfi at Three Cocks. Surrounding slopes moderate to N and S, moderate to strong to E and W. Not in a commanding position as overlooked by higher ground to E.

Type:
Contour Fort   ✗
Partial Contour Fort   ✓
Promontory Fort   ✗
Hillslope Fort   ✗
Level Terrain Fort   ✗
Marsh Fort   ✗
Multiple Enclosure Fort   ✗

Topographic Position

Position:
Hilltop   ✗
Coastal Promontory   ✗
Inland Promontory   ✗
Valley Bottom   ✗
Knoll/Hillock/Outcrop   ✗
Ridge   ✓
Cliff/Plateau-edge/Scarp   ✗
Hillslope   ✗
Lowland   ✗
Spur   ✗

Dominant Topographic Feature:  Ridge

Aspect:
North   ✗
Northeast   ✗
East   ✗
Southeast   ✗
South   ✗
Southwest   ✗
West   ✗
Northwest   ✓
Level   ✗

Altitude:  115.0m

Boundary

N/A


Dating Evidence

Early Iron Age potsherd and Romano-British pottery piece all indicate long activity.

Reliability:  C - Low

Principal Activity:
Pre 1200BC   ✗
1200BC - 800BC   ✗
800BC - 400BC   ✓
400BC - AD50   ✓
AD50 - AD400   ✗
AD400 - AD 800   ✗
Post AD800   ✗
Unknown   ✗

Other Activity:
Pre Hillfort:   None
Post Hillfort:   None

Evidence:
Artefactual:   None

Investigation History

Feature on an estate map of 1756. On 1st Ed. OS map (1888). Excavation by H.N. Savory 1951. RCAHMW investigations 1951, 1983. CPAT defended enclosures survey 2006-2007.

Investigations:
1st Identified Map Depiction (1756):   Estate map.
Other (1888):   OS map.
Excavation (1951):   S.N. Savory
Other (None):   RCAHMW investigations.
Other (None):   CPAT defended enclosures survey.

Interior Features

Neolithic potsherds and early Iron Age potsherd and Romano-British pottery.

Water Source

Spring close to SE corner and stream 0.1km outside fort.

Source:
None   ✓
Spring   ✗
Stream   ✗
Pool   ✗
Flush   ✗
Well   ✗
Other   ✗

Surface

None

Interior Features (Surface):
No Known Features   ✓
Round Stone Structures   ✗
Rectangular Stone Structures   ✗
Curvilinear Platforms   ✗
Other Roundhouse Evidence   ✗
Pits   ✗
Quarry Hollows   ✗
Other   ✗

Excavation

No details.

Interior Features (Excavation):
No Known Excavation   ✗
Pits   ✗
Postholes   ✗
Roundhouses   ✗
Rectangular Structures   ✗
Roads/Tracks   ✗
Quarry Hollows   ✗
Other   ✓
Nothing Found   ✗

Geophysics

None

Interior Features (Geophysics):
No Known Geophysics   ✓
Pits   ✗
Roundhouses   ✗
Rectangular Structures   ✗
Roads/Tracks   ✗
Quarry Hollows   ✗
Other   ✗
Nothing Found   ✗

Finds

Neolithic potsherds and early Iron Age potsherd and Romano-British pottery.

Interior (Finds):
No Known Finds   ✗
Pottery   ✓
Metal   ✗
Metalworking   ✗
Human Bones   ✗
Animal Bones   ✗
Lithics   ✗
Environmental   ✗
Other   ✗

Aerial

None

Interior Features (Aerial):
APs Not Checked   ✓
None   ✗
Roundhouses   ✗
Rectangular Structures   ✗
Pits   ✗
Postholes   ✗
Roads/Tracks   ✗
Other   ✗

Entrances

Inturned entrances on the NNE and SSW, the former approached by a slightly sunken track bounded by interesting banks. Savory determined the NNE entrance to be only 1.08 m wide.

Total Number of Breaks Through Ramparts:  
None:   Total gaps not determined.

Number of Possible Original Entrances:  
2:   None

Guard Chambers:  ✗

Chevaux de Frise:  ✗

Entrances:
1. In-turned (North east):   Approached by a slightly sunken track bounded by interesting banks.
1. Hollow Way (North east):   Approached by a slightly sunken track bounded by interesting banks.
2. In-turned (South west):   None

Enclosing Works

Ravine provides natural protection on E, the remainder having double banks and ditches with a counterscarp on W. Material for the ramparts depended on the nature of the ditches; eg sandstone and marl.

Enclosed Area:
Area 1:   0.45ha.
Total:   0.45ha.

Total Footprint Area:  0.8ha.

Ramparts

None

Multi-period Enclosure System:
✗   Main enclosure c. 0.45ha.

Ramparts Form a Continuous Circuit:
✗   None

Number of Ramparts:  
NE Quadrant:   0
SE Quadrant:   0
SW Quadrant:   2
NW Quadrant:   2
Total:   2

Morphology

Current Morphology:
Partial Univallate   ✗
Univallate   ✗
Partial Bivallate   ✓
Bivallate   ✗
Partial Multivallate   ✗
Multivallate   ✗
Unknown   ✗

Detailed Morphology:
Partial Univallate   ✗
Univallate   ✗
Partial Bivallate   ✗
Bivallate   ✗
Partial Multivallate   ✗
Multivallate   ✗

Surface Evidence

Counterscarp on W. Sandstone and marl banks.

Enclosing Works (Surface):
None   ✗
Earthen Bank   ✓
Stone Wall   ✗
Rubble   ✓
Wall-walk   ✗
Evidence of Timber   ✗
Vitrification   ✗
Other Burning   ✗
Palisade   ✗
Counter Scarp Bank   ✓
Berm   ✗
Unfinished   ✗
Other   ✗

Excavated Evidence

Material for the ramparts depended on the nature of the ditches; eg sandstone and marl.

Enclosing Works (Excavation):
None   ✗
Earthen Bank   ✓
Stone Wall   ✗
Murus Duplex   ✗
Timber-framed   ✗
Timber-laced   ✗
Vitrification   ✗
Other Burning   ✗
Palisade   ✗
Counter Scarp Bank   ✓
Berm   ✗
Unfinished   ✗
No Known Excavation   ✗
Other   ✗

Other

Gang Working:
✗   None

Ditches:
✓   None

Number of Ditches:  2

Annex:
✓   Possible annexe on N.

References

Lloyd, J.C and Savory, H.N. 1958. Excavations at an early Iron Age hill-fort and a Romano-British iron-smelting place at Gwernyfed Park, Aberllynfi in 1951, Brycheiniog, 4, 53-71.

RCAHMW 1986. An inventory of the ancient monuments in Brecknock (Brycheiniog). The Prehistoric and Roman monuments, Vol 1, Part 2, Hill-forts and Roman remains, HF 57, London: HMSO.

Savory, H.N. 1952. List of Hill-forts and other earthworks in Wales, III, Brecknockshire, Bull Board Celtic Stud, 14, 74.

Savory, H.N. 1954. List of hill-forts and other earthworks in Wales and Monmouthshire. Additions and corrections to Sections I-III, Bull Board Celtic Stud, 15, (1952-54), 230.

Silvester, B. 2007. The Clwyd-Powys Archaeological Trust. Defended enclosures in Brecknock, CPAT Report No 859, Welshpool: CPAT.



Terms of Use

This work is licensed under CC BY-SA 4.0 and should be cited as:

Lock, Gary and Ralston, Ian. 2024. Atlas of Hillforts of Britain and Ireland. Available at: https://hillforts.arch.ox.ac.uk


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