LiDAR 1m DTM Hillshade
Satellite Imagery
LiDAR 1m DTM Hillshade
Satellite Imagery
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HER: Glamorgan Gwent 00804w (None)
NMR: SS 79 SW 11 (307239)
SM: None
NGR: SS73659410
X: 273650 Y: 194100 (OSGB36)
Oval, contour hillfort located on hillock directly E of the mouth of the River Neath. Much hemmed in by development and site of road river bridge crossing. Overlooks site of old ferry. Moderate to strong surrounding slopes. Measures 130m NE-SW by 94m with enclosed are of c. 0.8ha. Defined by strong bank and ditch, now reduced to scarp with terrace below. Possible counterscarp. Bank preserved on S and E sides where c. 15m wide overall and 5m high. Whole of N quadrant destroyed by road construction and reservoir in interior. Entrance position uncertain. Cutting of water main in 1971 provided profile through E and W banks. Showed rampart 6m wide above rock-cut slope leading to ditch 1m deep. Another ditch encircled area of hilltop c. 20m inside rampart terrace, up to 6m wide and 1.5m deep, but its bank gone. Two enclosures possibly of different dates, but no details (RCAHMW 1976, 26). Rough grass and scrub. Undated.
Citizen Science: ✗
Reliability of Data: Confirmed
Reliability of Interpretation: Confirmed
X: -426019 Y: 6733757 (EPSG: 3857)
Longitude: -3.826994920333759 Latitude: 51.63143693001235 (EPSG:4326)
Country: Wales
Current County or Unitary Authority: Neath Port Talbot
Historic County: Glamorgan
Current Parish/Community/Council/Townland: Briton Ferry
Much hemmed in by development and damaged. Whole of N quadrant destroyed by road construction. Construction of reservoir.
| Extant | ✓ |
| Cropmark | ✗ |
| Likely Destroyed | ✓ |
Rough grass and scrub and construction. Road and developments.
| Woodland | ✗ |
| Commercial Forestry Plantation | ✗ |
| Parkland | ✗ |
| Pasture (Grazing) | ✗ |
| Arable | ✗ |
| Scrub/Bracken | ✓ |
| Bare Outcrop | ✗ |
| Heather/Moorland | ✗ |
| Heath | ✗ |
| Built-up | ✗ |
| Coastal Grassland | ✗ |
| Other | ✓ |
Warren Hill stands isolated immediately E of the River Neath near its mouth, overlooking the site of the old ferry. Isolated contour hillfort located directly E of the mouth of the River Neath. Moderate to strong surrounding slopes.
| 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: Hillock
| North | ✗ |
| Northeast | ✗ |
| East | ✗ |
| Southeast | ✗ |
| South | ✗ |
| Southwest | ✗ |
| West | ✗ |
| Northwest | ✗ |
| Level | ✓ |
Altitude: 34.0m
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 |
RCAHMW investigation 1967. GGAT Prehistoric defended enclosures in Glamorgan survey 2005.
| Other (1967): | RCAHMW investigation. |
| Other (2005): | GGAT Prehistoric defended enclosures in Glamorgan survey. |
None
River Neath 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 | ✗ |
No entrance defined.
| 0: | None |
| 2: | None |
Guard Chambers: ✗
Chevaux de Frise: ✗
Defined by strong bank and ditch, now reduced to scarp with terrace below. Possible counterscarp. Bank preserved on S and E sides where c. 15m wide overall and 5m high. Whole of N quadrant destroyed by road construction an reservoir in interior. Entrance position uncertain. Cutting of water main in 1971 provided profile through E and W banks. Showed rampart 6m wide above rock-cut slope leading to ditch 1m deep. Another ditch encircled area of hillfort c. 20m inside rampart terrace, up to 6m wide and 1.5m deep, but its bank gone.
| Area 1: | 0.8ha. |
| Total: | 0.8ha. |
Total Footprint Area: Noneha.
None
| ✗ | None |
| ✗ | N quadrant destroyed by road. |
| NE Quadrant: | 0 |
| SE Quadrant: | 1 |
| SW Quadrant: | 1 |
| NW Quadrant: | 0 |
| Total: | 1 |
| Partial Univallate | ✓ |
| Univallate | ✗ |
| Partial Bivallate | ✗ |
| Bivallate | ✗ |
| Partial Multivallate | ✗ |
| Multivallate | ✗ |
| Unknown | ✗ |
| Partial Univallate | ✗ |
| Univallate | ✗ |
| Partial Bivallate | ✗ |
| Bivallate | ✗ |
| Partial Multivallate | ✗ |
| Multivallate | ✗ |
Possible counterscarp.
| 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 |
| ✓ | Rock-cut ditches. |
Number of Ditches: 2
| ✗ | None |
Gerrard, C., Wiggins, H., and Evans, E. 2006. Prehistoric defended enclosures in Glamorgan with recommendations for fieldwork: Year 3 Report, GGAT Report No. 2006/089, Project No. GGAT78, Swansea: GGAT.
RCAHMW 1976. An inventory of the ancient monuments in Glamorgan, Vol I: Pre-Norman, Part II The Iron Age and the Roman occupation, No. 628, Cardiff: HMSO.
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