LiDAR 1m DTM Hillshade
Satellite Imagery
LiDAR 1m DTM Hillshade
Satellite Imagery
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HER: Dyfed 1537 (None)
NMR: SN 03 SW 8 (304386)
SM: PE201(PEM)
NGR: SN 0390 3440
X: 203900 Y: 234400 (OSGB36)
Inland promontory fort located on SE-facing spur just above the Afon Gwaun in Cwm Gwaun on a bend in the river. Steep surrounding slopes on N, very steep wooded slopes to river on E and S and land rises moderately along spur on W and NW. Measures c. 65m E-W by 55m, with internal area 0.39ha. Two well-preserved curving ramparts, c. 100m long, cut off the promontory on W and NW. Inner higher to 1.6m above interior and to 5m above ditch, whilst outer bank rises to 3.2m above ditch. This whole system some 25m wide in good order except outer ditch affected by ploughing in places and gone in part. Entrance at S end of rampart before very steep slope edge. Banks and ditch overgrown with trees, bracken and gorse with interior rough grass. On 1st Ed. OS map (1889). C
Citizen Science: ✗
Reliability of Data: Confirmed
Reliability of Interpretation: Confirmed
X: -540621 Y: 6795307 (EPSG: 3857)
Longitude: -4.856483986294583 Latitude: 51.973344042066195 (EPSG:4326)
Country: Wales
Current County or Unitary Authority: Pembrokeshire
Historic County: Pembrokeshire
Current Parish/Community/Council/Townland: Cwm Gwaun
Well-preserved ramparts and good example of an inland promontory fort.
| Extant | ✓ |
| Cropmark | ✗ |
| Likely Destroyed | ✗ |
Improved pasture interior with trees on banks. Wooded surrounds to N, S and E.
| Woodland | ✓ |
| Commercial Forestry Plantation | ✗ |
| Parkland | ✗ |
| Pasture (Grazing) | ✓ |
| Arable | ✗ |
| Scrub/Bracken | ✓ |
| Bare Outcrop | ✗ |
| Heather/Moorland | ✗ |
| Heath | ✗ |
| Built-up | ✗ |
| Coastal Grassland | ✗ |
| Other | ✗ |
Inland promontory fort located on SE-facing spur just above the Afon Gwaun in Cwm Gwaun on a bend in the river. Steep surrounding slopes on N, very steep wooded slopes to river on E and S and land rises moderately along spur on W and NW.
| Contour Fort | ✗ |
| Partial Contour Fort | ✗ |
| Promontory Fort | ✓ |
| Hillslope Fort | ✗ |
| Level Terrain Fort | ✗ |
| Marsh Fort | ✗ |
| Multiple Enclosure Fort | ✗ |
| Hilltop | ✗ |
| Coastal Promontory | ✗ |
| Inland Promontory | ✓ |
| Valley Bottom | ✗ |
| Knoll/Hillock/Outcrop | ✗ |
| Ridge | ✗ |
| Cliff/Plateau-edge/Scarp | ✗ |
| Hillslope | ✗ |
| Lowland | ✗ |
| Spur | ✗ |
Dominant Topographic Feature: Spur
| North | ✗ |
| Northeast | ✗ |
| East | ✗ |
| Southeast | ✓ |
| South | ✗ |
| Southwest | ✗ |
| West | ✗ |
| Northwest | ✗ |
| Level | ✗ |
Altitude: 170.0m
N/A
None
Reliability: D - None
| Pre 1200BC | ✗ |
| 1200BC - 800BC | ✗ |
| 800BC - 400BC | ✗ |
| 400BC - AD50 | ✗ |
| AD50 - AD400 | ✗ |
| AD400 - AD 800 | ✗ |
| Post AD800 | ✗ |
| Unknown | ✓ |
| Pre Hillfort: | None |
| Post Hillfort: | None |
On 1st Ed. OS map (1889). Field Observation OS 1974. Field Observation AMB 1981. Field Observation CADW 1986, 1990, 1998. Cambria Archaeology defended enclosures survey 2006-2007.
| 1st Identified Map Depiction (1889): | OS map. |
| Other (1974): | Field Observation CADW. |
| Other (1981): | Field Observation AMB. |
| Other (None): | Field Observation OS 1974. |
| Other (None): | Cambria Archaeology defended enclosures survey. |
None
Afon Gwuan 0.2km outside fort.
| None | ✓ |
| Spring | ✗ |
| Stream | ✗ |
| Pool | ✗ |
| Flush | ✗ |
| Well | ✗ |
| Other | ✗ |
None
| No Known Features | ✓ |
| Round Stone Structures | ✗ |
| Rectangular Stone Structures | ✗ |
| Curvilinear Platforms | ✗ |
| Other Roundhouse Evidence | ✗ |
| Pits | ✗ |
| Quarry Hollows | ✗ |
| Other | ✗ |
None
| No Known Excavation | ✓ |
| Pits | ✗ |
| Postholes | ✗ |
| Roundhouses | ✗ |
| Rectangular Structures | ✗ |
| Roads/Tracks | ✗ |
| Quarry Hollows | ✗ |
| Other | ✗ |
| Nothing Found | ✗ |
None
| No Known Geophysics | ✓ |
| Pits | ✗ |
| Roundhouses | ✗ |
| Rectangular Structures | ✗ |
| Roads/Tracks | ✗ |
| Quarry Hollows | ✗ |
| Other | ✗ |
| Nothing Found | ✗ |
None
| No Known Finds | ✓ |
| Pottery | ✗ |
| Metal | ✗ |
| Metalworking | ✗ |
| Human Bones | ✗ |
| Animal Bones | ✗ |
| Lithics | ✗ |
| Environmental | ✗ |
| Other | ✗ |
None
| APs Not Checked | ✓ |
| None | ✗ |
| Roundhouses | ✗ |
| Rectangular Structures | ✗ |
| Pits | ✗ |
| Postholes | ✗ |
| Roads/Tracks | ✗ |
| Other | ✗ |
Entrance at S end of rampart before very steep slope edge, simple gap.
| 1: | None |
| 2: | None |
Guard Chambers: ✗
Chevaux de Frise: ✗
| 1. Simple Gap (West): | None |
Two well-preserved curving ramparts, c. 100m long, cut off the promontory on W and NW. Inner higher to 1.6m above interior and to 5m above ditch, whilst outer bank rises to 3.2m above ditch. This whole system some 25m wide in good order except outer ditch affected and destroyed by ploughing in places.
| Area 1: | 0.39ha. |
| Total: | 0.39ha. |
Total Footprint Area: Noneha.
None
| ✗ | None |
| ✗ | None |
| NE Quadrant: | 0 |
| SE Quadrant: | 0 |
| SW Quadrant: | 2 |
| NW Quadrant: | 2 |
| Total: | 2 |
| Partial Univallate | ✗ |
| Univallate | ✗ |
| Partial Bivallate | ✓ |
| Bivallate | ✗ |
| Partial Multivallate | ✗ |
| Multivallate | ✗ |
| Unknown | ✗ |
| Partial Univallate | ✗ |
| Univallate | ✗ |
| Partial Bivallate | ✗ |
| Bivallate | ✗ |
| Partial Multivallate | ✗ |
| Multivallate | ✗ |
None
| None | ✗ |
| Earthen Bank | ✓ |
| Stone Wall | ✗ |
| Rubble | ✗ |
| Wall-walk | ✗ |
| Evidence of Timber | ✗ |
| Vitrification | ✗ |
| Other Burning | ✗ |
| Palisade | ✗ |
| Counter Scarp Bank | ✗ |
| Berm | ✗ |
| Unfinished | ✗ |
| Other | ✗ |
None
| None | ✗ |
| Earthen Bank | ✗ |
| Stone Wall | ✗ |
| Murus Duplex | ✗ |
| Timber-framed | ✗ |
| Timber-laced | ✗ |
| Vitrification | ✗ |
| Other Burning | ✗ |
| Palisade | ✗ |
| Counter Scarp Bank | ✗ |
| Berm | ✗ |
| Unfinished | ✗ |
| No Known Excavation | ✓ |
| Other | ✗ |
| ✗ | None |
| ✓ | None |
Number of Ditches: 2
| ✗ | None |
Crossley, D.W. 1963. List of Hill-Forts and other earthworks in Pembrokeshire, Bull Board Celtic Stud, 20, 181.
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. 609.
Atlas of Hillforts:
Wikidata:
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
Document Version 1.1