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HER:  Glamorgan Gwent 00346s (None)
NMR:  ST 07 SW 22 (301300)
SM:  None
NGR:  ST03867318
X:  303860  Y:  173180  (OSGB36)
Oval bivallate hillslope fort located on moderate SE slopes above the headwaters of the River Thaw 0.7 km away to the SW. Measures c. 67m NW-SE by 80m, with internal area c. 0.4ha. Two close-set banks and ditches c. 20m overall, inner, at up to 0.6m high, lower than outer, at up to 0.9m high. Entrance possibly simple gap on NW. Banks run to field from outer ditch either side entrance, that to N of entrance with ditch, but whether they are contemporary with enclosure uncertain. Low disturbed banks in interior possibly three or four oval or rectangular buildings 6m-9m diameter, but their date uncertain. Chance finds include 2nd - 4th century AD pottery and fragment of rotary quern. Ramparts ploughed-down generally, especially on E side, and cut into by old quarry and hedge-bank on SE. Pasture with odd trees to S and W. Minimal investigations.
Citizen Science:  ✗
Reliability of Data:  Confirmed
Reliability of Interpretation:  Confirmed
X:  -376810  Y:  6701170  (EPSG: 3857)
Longitude:  -3.3849413172375664  Latitude:  51.44936772691608  (EPSG:4326)
Country:  Wales
Current County or Unitary Authority:  Vale of Glamorgan
Historic County:  Glamorgan
Current Parish/Community/Council/Townland:  Llancarfan
Ramparts ploughed-down generally, especially on E side, and cut into by old quarry and hedge-bank on SE.
| Extant   | ✓ |
| Cropmark   | ✗ |
| Likely Destroyed   | ✓ |
Pasture. Odd trees to S and W. Old quarry.
| Woodland   | ✗ |
| Commercial Forestry Plantation   | ✗ |
| Parkland   | ✗ |
| Pasture (Grazing)   | ✓ |
| Arable   | ✗ |
| Scrub/Bracken   | ✗ |
| Bare Outcrop   | ✗ |
| Heather/Moorland   | ✗ |
| Heath   | ✗ |
| Built-up   | ✗ |
| Coastal Grassland   | ✗ |
| Other   | ✓ |
Oval bivallate hillslope fort located on moderate SE slopes above the headwaters of the River Thaw 0.7 km away to the SW.
| 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:  Hillslope
| North   | ✗ |
| Northeast   | ✗ |
| East   | ✗ |
| Southeast   | ✓ |
| South   | ✗ |
| Southwest   | ✗ |
| West   | ✗ |
| Northwest   | ✗ |
| Level   | ✗ |
Altitude:  95.0m
N/A
Chance finds of Romano-British 2nd - 4th century AD pottery and fragment of rotary quern.
Reliability:  C - Low
| Pre 1200BC   | ✗ |
| 1200BC - 800BC   | ✗ |
| 800BC - 400BC   | ✗ |
| 400BC - AD50   | ✗ |
| AD50 - AD400   | ✓ |
| AD400 - AD 800   | ✗ |
| Post AD800   | ✗ |
| Unknown   | ✗ |
| Pre Hillfort:   | None |
| Post Hillfort:   | None |
| Artefactual:   | None |
RCAMHW investigation 1967. GGAT Prehistoric defended enclosures in Glamorgan survey 2005.
| Other (1967):   | RCAHMW investigation. |
| Other (2005):   | GGAT Prehistoric defended enclosures in Glamorgan survey. |
Low disturbed banks in interior possibly three or four oval or rectangular buildings 6m-9m diameter, but their date uncertain. Finds include 2nd - 4th century pottery and fragment of rotary quern.
Stream 0.7km outside fort.
| None   | ✓ |
| Spring   | ✗ |
| Stream   | ✗ |
| Pool   | ✗ |
| Flush   | ✗ |
| Well   | ✗ |
| Other   | ✗ |
Low disturbed banks in interior possibly three or four oval or rectangular buildings 6-9m diameter, but their date uncertain.
| 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   | ✗ |
Finds include 2nd - 4th century pottery and fragment of rotary quern.
| 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 possibly simple gap on NW.
| 1:   | None |
| 2:   | None |
Guard Chambers:  ✗
Chevaux de Frise:  ✗
| 1. Simple Gap (North west):   | None |
Two close-set banks and ditches c. 20m overall, inner, at up to 0.6m high, lower than outer, at up to 0.9m high. Banks run to field from outer ditch either side entrance, that to N of entrance with ditch, but whether they are contemporary with enclosure uncertain. 0.4ha.
| Area 1:   | 0.4ha. |
| Total:   | 0.4ha. |
Total Footprint Area:  Noneha.
None
| ✗   | None |
| ✓   | Ramparts ploughed down on E side, but would have been initially two banks as on the W side. |
| NE Quadrant:   | 2 |
| SE Quadrant:   | 2 |
| 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 |
RCAHMW 1976: Glamorgan Inventory 1.2, No. 682.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, 1.2, Pre-Norman, Parts I-III, 682, 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