LiDAR 1m DTM Hillshade
Satellite Imagery
LiDAR 1m DTM Hillshade
Satellite Imagery
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HER: Gwynedd 1139 (None)
NMR: SH 61 NW 3 (57403)
SM: ME127
NGR: SH61521785
X: 261520 Y: 317850 (OSGB36)
Small, high, steep and craggy hillslope fort located on outcrop on shelf of SW-facing slopes overlooking the Afon Mawddach estuary and Barmouth. Surrounding slopes steep to N, precipitous to E, moderate to strong to E. measures 48m N-S by 34m with internal area 0.1ha. Very strong site bounded by collapsed stone walling up to 8m wide and 1.3m high externally. On NE side earthen ramparts 6.0m wide and 1.3m high with possible outer silted up ditch showing as reeds in marshy ground. Entrance not defined, but modern stone wall crossing site possibly masks location. On 1st Ed. OS map (1889). Minimal investigations, undated.
Citizen Science: ✗
Reliability of Data: Confirmed
Reliability of Interpretation: Confirmed
X: -451148 Y: 6935135 (EPSG: 3857)
Longitude: -4.0527354822149375 Latitude: 52.74046951618734 (EPSG:4326)
Country: Wales
Current County or Unitary Authority: Gwynedd
Historic County: Merioneth
Current Parish/Community/Council/Townland: Abermaw
In SE corner modern sheepfold.
| Extant | ✓ |
| Cropmark | ✗ |
| Likely Destroyed | ✗ |
Rocky rough upland pasture.
| Woodland | ✗ |
| Commercial Forestry Plantation | ✗ |
| Parkland | ✗ |
| Pasture (Grazing) | ✓ |
| Arable | ✗ |
| Scrub/Bracken | ✗ |
| Bare Outcrop | ✗ |
| Heather/Moorland | ✗ |
| Heath | ✗ |
| Built-up | ✗ |
| Coastal Grassland | ✗ |
| Other | ✗ |
Small, high, steep and craggy hillslope fort located on outcrop on shelf of SW-facing slopes overlooking the Afon Mawddach estuary and Barmouth. Surrounding slopes steep to N, precipitous to E, moderate to strong to E.
| 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: Rocky outcrop
| North | ✗ |
| Northeast | ✗ |
| East | ✗ |
| Southeast | ✗ |
| South | ✗ |
| Southwest | ✓ |
| West | ✗ |
| Northwest | ✗ |
| Level | ✗ |
Altitude: 290.0m
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). GAT investigation 1995. GAT prehistoric defended enclosures survey 2005-2006.
| 1st Identified Map Depiction (1889): | OS map. |
| Other (1995): | GAT onvestigation. |
| Other (None): | GAT prehistoric defended enclosures survey. |
Possible rectangular stone structure within fort and outer court or platform to S.
Stream 0.1km outside fort.
| None | ✓ |
| Spring | ✗ |
| Stream | ✗ |
| Pool | ✗ |
| Flush | ✗ |
| Well | ✗ |
| Other | ✗ |
Possible rectangular stone structure within fort and outer court or platform to S.
| 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 | ✗ |
Not defined, but modern stone wall crossing site possibly masks location.
| 0: | Few details therefore no estimate. |
| 2: | Modern stone wall crossing site possibly masks location. |
Guard Chambers: ✗
Chevaux de Frise: ✗
Very strong site bounded by collapsed stone walling up to 8m wide and 1.3m high externally. On NE side earthen ramparts 6.0m wide and 1.3m high with possible outer silted up ditch showing as reeds in marshy ground. 0.1ha.
| Area 1: | 0.1ha. |
| Total: | 0.1ha. |
Total Footprint Area: Noneha.
None
| ✗ | None |
| ✓ | None |
| NE Quadrant: | 2 |
| SE Quadrant: | 1 |
| SW Quadrant: | 1 |
| NW Quadrant: | 1 |
| Total: | 2 |
| Partial Univallate | ✓ |
| Univallate | ✗ |
| Partial Bivallate | ✓ |
| Bivallate | ✗ |
| Partial Multivallate | ✗ |
| Multivallate | ✗ |
| Unknown | ✗ |
| Partial Univallate | ✗ |
| Univallate | ✗ |
| Partial Bivallate | ✗ |
| Bivallate | ✗ |
| Partial Multivallate | ✗ |
| Multivallate | ✗ |
Stone-walled site.
| 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 |
| ✓ | Possible outer silted up ditch showing as reeds in marshy ground |
Number of Ditches: 1
| ✗ | None |
RCAHMW 1921. An inventory of the ancient monuments in Wales and Monmouthshire, VI, County of Merioneth, 44, 120, London: HMSO.
Smith, G.H. 2006. A survey of prehistoric defended enclosures in north-west Wales 2005-2006: Gwynedd Dwyfor and Meirionnydd. Report No 634. Part I: Survey Report. Bangor: Gwynedd Archaeological Trust.
Waddington, K. 2013. The Settlements of Northwest Wales: From the Late Bronze Age to the Early Medieval Period, Cardiff: University of Wales Press.
Atlas of Hillforts:
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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