Atlas of Hillforts of Britain and Ireland

WA1894 Cwm-Pen-y-Benglog, Pembrokeshire (Ally-y-Castell)

LiDAR 1m DTM Hillshade

LiDAR 1m DTM Hillshade

Satellite Imagery

Satellite Imagery

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HER:  Dyfed 986 (None)

NMR:  SN 13 NW 21 (304046)

SM:  PE173(PEM)

NGR:  SN 1188 3728

X:  211880  Y:  237280  (OSGB36)

Summary

Small, bivallate, inland promontory fort sited on the lower slopes of a SW-facing promontory above the Afon Nyfer to E and S, and on a hill opposite to its confluence with the Afon Brynberian. Steep or moderate to strong surrounding slopes to S, W and NW, but rising gradually on NE along spur. Crescentic double banks and rock-cut ditches 80m long cuts off the spur on NE to give interior c. 80m deep NE-SW by 65m, with internal area 0.6ha, the natural slopes defining the remainder of the monument's circuit. Bank to c. 3m high. Possible entrance at W end of bank where fades and no ditch. Heavily overgrown. On 1st Ed. OS map (1889). Undated.

Status

Citizen Science:  ✗

Reliability of Data:  Confirmed

Reliability of Interpretation:  Confirmed

Location

X:  -527880  Y:  6800481  (EPSG: 3857)

Longitude:  -4.742028598390767  Latitude:  52.001967551158785  (EPSG:4326)

Country:  Wales

Current County or Unitary Authority:  Pembrokeshire

Historic County:  Pembrokeshire

Current Parish/Community/Council/Townland:  Eglwyswrw

Monument Condition

Fair condition.

Condition:
Extant   ✓
Cropmark   ✗
Likely Destroyed   ✗

Land Use

Overgrown with scrub, trees and bracken.

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, bivallate, inland promontory fort sited on the lower slopes of a NE-facing promontory on the Afon Nyfer to E and S, near to a cluster of sites on a hill opposite to its confluence with the Afon Brynberian. Steep or moderate to strong surrounding slopes.

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:  Spur

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

Altitude:  122.0m

Boundary

N/A


Dating Evidence

None

Reliability:  D - None

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:No related records

Investigation History

On 1st Ed. OS map (1889). Field Observation OS 1974. Full Survey G.H. Williams 1969. Field Observation DAT 1981. Field Observation CADW 1996. Cambria Archaeology defended enclosures survey 2006-2007.

Investigations:
1st Identified Map Depiction (1889):   OS map.
Other (1969):   Full Survey G.H. Williams.
Other (1974):   Field observation OS.
Other (1981):   Field observation DAT.
Other (1996):   Field observation CADW.
Other (None):   Cambria Archaeology defended enclosures survey.

Interior Features

None

Water Source

None

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

None

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

None

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

Possible entrance at W end of bank where fades and no ditch.

Total Number of Breaks Through Ramparts:  
1:   None

Number of Possible Original Entrances:  
2:   None

Guard Chambers:  ✗

Chevaux de Frise:  ✗

Entrances:
1. Simple Gap (North east):   None

Enclosing Works

Crescentic double banks and rock-cut ditches 80m long cuts off the spur on NE.

Enclosed Area:
Area 1:   0.6ha.
Total:   0.6ha.

Total Footprint Area:  Noneha.

Ramparts

None

Multi-period Enclosure System:
✗   None

Ramparts Form a Continuous Circuit:
✗   None

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

None

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

None

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:
✓   Rock-cut ditches.

Number of Ditches:  2

Annex:
✗   None

References

Crossley, D.W. 1963. List of Hill-Forts and other earthworks in Pembrokeshire, Bull Board Celtic Stud, 20, 182.

Murphy, K., Ramsey, R., Poucher, P. and Page, M. 2007. A Survey of Defended Enclosures in Pembrokeshire, 2006-2007: Gazetteer of Ordnance Survey Grid Squares SN03, SN13 and SN23. Cambria Archaeology Report No. 2007/01, Project Record No. 54269, Llandeilo: Cambria Archaeology.

RCAMWM 1925. An inventory of the ancient monuments in Wales and Monmouthshire, VII, County of Pembroke, London: HMSO, No. 683.



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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