Atlas of Hillforts of Britain and Ireland

WA1990 Porth-Egr, Pembrokeshire

Satellite Imagery

Satellite Imagery

HER:  Dyfed 2844 (None)

NMR:  SM 83 SW (309560)

SM:  PE549(PEM)

NGR:  SM80093226

X:  180090  Y:  232260  (OSGB36)

Summary

Coastal promontory fort located on long and sharp W-facing promontory jutting into sea immediately to S of Porth Egr, and N of Culporth, bays on N coast of county. Separate islet in sea to W suggests site possibly longer in prehistory. High 30m sea cliffs to N, S and W, level to gently rising slope to E. Interior c. 200m E-W by c. 60m, with area estimated at 1.2ha. Natural fissures in the rock make identification difficult, and only recognised as a fort by DAT comparatively recently. It is possible that these natural features were incorporated in defences, but definite rampart of earth and stones with ditch cuts off the promontory on E for c. three-quarters across for c. 20m, bank 4m across and to c. 0.6m high. Bank spread at N end. This ends well short of the cliff edge on the S, suggesting site possibly unfinished. RCAHMW (Coflein) suggest from aerial photographs that there are three lines of defence. Outer and middle banks set parallel and cut across promontory at right angles to the cliff. Inner rampart at a diagonal, with possible ditch or quarry pits placed on inner edge; possibly phased construction. No entrance defined. Under coastal grassland. Minimal investigations, undated.

Status

Citizen Science:  ✗

Reliability of Data:  Confirmed

Reliability of Interpretation:  Confirmed

Location

X:  -578997  Y:  6790227  (EPSG: 3857)

Longitude:  -5.201215225420199  Latitude:  51.94522173976284  (EPSG:4326)

Country:  Wales

Current County or Unitary Authority:  Pembrokeshire

Historic County:  Pembrokeshire

Current Parish/Community/Council/Townland:  Llanrhian

Monument Condition

Pembrokeshire Coast Path runs to E. Natural fissures in the rock make identification difficult, and only recognised as a fort by DAT comparatively recently.

Condition:
Extant   ✓
Cropmark   ✗
Likely Destroyed   ✗

Land Use

Under coastal grassland with bare rock.

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

Coastal promontory fort located on long and sharp W-facing promontory jutting into sea immediately to S of Porth Egr, and N of Culporth, bays on N coast of county. Separate islet in sea to W suggests possibly longer in prehistory. High 30m sea cliffs to N, S and W, level to gently rising slope 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:  Coastal headland

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

Altitude:  31.0m

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

Field Observation OS 1966. Field Observation NT 1989 . Field Observation DAT 1994,1996 ,2006. Cambria Archaeology defended enclosures survey 2006-2007.

Investigations:
Other (1966):   Field Observation OS.
Other (1989):   Field Observation NT.
Other (None):   Field Observation DAT.
Other (None):   Cambria Archaeology defended enclosures survey.

Interior Features

If inner rampart exists, possible ditch or quarry pits placed on inner edge suggested by RCAHMW (Cofllein).

Water Source

None

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

Surface

If inner rampart exists, possible ditch or quarry pits placed on inner edge.

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

If inner rampart exists, possible ditch or quarry pits placed on inner edge suggested by RCAHMW (Coflein).

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

Entrances

None defined.

Total Number of Breaks Through Ramparts:  
0:   None

Number of Possible Original Entrances:  
2:   None

Guard Chambers:  ✗

Chevaux de Frise:  ✗

Entrances:No related records

Enclosing Works

Rampart of earth and stones with ditch cuts off the promontory on E for c. three-quarters across for c. 20m, bank 4m across and to c. 0.6m high. Bank spread at N end. This ends well short of the cliff edge on the S, suggesting site possibly unfinished. RCAHMW (Coflein) suggest from aerial photographs that there are three lines of defence. Outer and middle banks set parallel and cut across promontory at right angles to the cliff. Inner rampart at a diagonal, with possible ditch or quarry pits placed on inner edge; possibly phased construction.

Enclosed Area:
Area 1:   1.2ha.
Total:   1.2ha.

Total Footprint Area:  Noneha.

Ramparts

None

Multi-period Enclosure System:
✓   Inner rampart at a diagonal, with possible ditch or quarry pits placed on inner edge; possibly phased construction suggested by RCAHMW (Coflein), but not proven.

Ramparts Form a Continuous Circuit:
✗   RCAHMW (Coflein) suggest from aerial photographs that there are three lines of defence. Outer and middle banks set parallel and cut across promontory at right angles to the cliff. Inner rampart at a diagonal, with possible ditch or quarry pits placed on inner edge.

Number of Ramparts:  
NE Quadrant:   3
SE Quadrant:   3
SW Quadrant:   0
NW Quadrant:   0
Total:   3

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

Earth and stone rampart. Bank spread at N end. This ends well short of the cliff edge on the S, suggesting site possibly unfinished.

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:
✓   Definite one, but actual number not defined if three lines of rampart.

Number of Ditches:  1

Annex:
✗   None

References

Driver, T. 2007. Pembrokeshire, Historic Landscapes from the Air, Aberystwyth: RCAHMW, 32.

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 SM73, SM83 and and SM93, Cambria Archaeology Report No. 2007/01, Project Record No. 54269, Llandeilo: Cambria Archaeology.



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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