Satellite Imagery
Satellite Imagery
HER: Dyfed 3015 (None)
NMR: SM 80 NE 4 (305349)
SM: PE193(PEM)
NGR: SM 8678 0948
X: 186780 Y: 209480 (OSGB36)
Small, bivallate, inland promontory fort located on gentle sloping SE-facing spur just above Sandyhaven Pill flowing into Milford Haven. Steep slopes to E and S, moderate along spur to NW. Interior measures 64m E-W by 40m, with internal area 0.3ha. Curvilinear double bank and ditch cuts off the promontory for 145m on the NW with natural scarps elsewhere. Inner bank stands 2m above ditch and outer bank 5m above ditch. Possible revetment on inner bank. Entrance towards SW end of rampart. Detached mound to SW of this possible entrance may be medieval motte or a bastion/barbican to entrance. Pasture interior with scrub on banks. On 1st Ed. OS map (1876). Minimal investigations, undated.
Citizen Science: ✗
Reliability of Data: Confirmed
Reliability of Interpretation: Confirmed
X: -566614 Y: 6753845 (EPSG: 3857)
Longitude: -5.089980664322602 Latitude: 51.74330833487488 (EPSG:4326)
Country: Wales
Current County or Unitary Authority: Pembrokeshire
Historic County: Pembrokeshire
Current Parish/Community/Council/Townland: Walwyn's Castle
Fair condition.
| Extant | ✓ |
| Cropmark | ✗ |
| Likely Destroyed | ✗ |
Pasture interior with scrub on banks. Wooded slopes to stream on E and S and part to N.
| Woodland | ✗ |
| Commercial Forestry Plantation | ✗ |
| Parkland | ✗ |
| Pasture (Grazing) | ✓ |
| Arable | ✗ |
| Scrub/Bracken | ✓ |
| Bare Outcrop | ✗ |
| Heather/Moorland | ✗ |
| Heath | ✗ |
| Built-up | ✗ |
| Coastal Grassland | ✗ |
| Other | ✗ |
Small inland promontory fort located on SE-facing spur just above Sandyhaven Pill flowing into Milford Haven. Steep slopes to E and S, moderate along spur to 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: 30.0m
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: | Possible. Detached mound to SW of this possible entrance may be medieval motte or a bastion/barbican to entrance. |
ON 1ST ED. MAP (1876). Field Observation OS 1965, 1975. Field observation AMB1981. Field Observation DAT 2002. Cambria Archaeology defended enclosures survey 2006-2007.
| 1st Identified Map Depiction (1876): | OS map. |
| Other (1965): | Field Observation OS 1965. |
| Other (1981): | Field observation AMB. |
| Other (2002): | Field Observation DAT. |
| Other (None): | Cambria Archaeology defended enclosures survey. |
None
Stream 0.1km 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 towards SW end of rampart. Detached mound to SW of this possible entrance may be medieval motte or a bastion/barbican to entrance. Modern gap to N for vehicle access.
| 2: | Modern gap to N for vehicle access. |
| 2: | None |
Guard Chambers: ✗
Chevaux de Frise: ✗
| 1. Barbican (South west): | Detached mound to SW of this possible entrance may be medieval motte or a bastion/barbican to entrance. |
Curvilinear double bank and ditch cuts off the promontory for 145m on the NW with natural scarps elsewhere. Inner bank stands 2m above ditch and outer bank 5m above ditch. Possible revetment on inner bank.
| Area 1: | 0.3ha. |
| Total: | 0.3ha. |
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 | ✗ |
Possible revetment on inner bank.
| 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, 183.
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 SM70 and SM80, Cambria Archaeology Report No. 2007/01, Project Record No. 54269, Llandeilo: Cambria Archaeology.
RCAMWM 1925: Pembrokeshire Inventory No. 214; RCAMWM 1925. An inventory of the ancient monuments in Wales and Monmouthshire, VII, County of Pembroke, London: HMSO, No. 1154.
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