LiDAR 1m DTM Hillshade
Satellite Imagery
LiDAR 1m DTM Hillshade
Satellite Imagery
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HER: Clwyd Powys 100789 (None)
NMR: SJ 04 NE 1 (306592)
SM: DE252
NGR: SJ05474775
X: 305470 Y: 347750 (OSGB36)
Small and degraded rocky contour hillfort located in prominent position high on the summit of Mynydd Rhyd-ddu above Dinas Melin-y-Wig hillfort (Atlas No. 1177). Moderate to strong surrounding slopes. Measures c. 60m by 40m, with internal area 0.33ha. Much robbed for stone and formerly consisted of a substantial encircling stone wall 3m-4.5m at its base, now some 0.75m-1m, and to 0.8m high only at best, no ditch. Traces of wall foundations can still be found in places, best seen sweeping round at N end. Possible N entrance. Rough upland grazing and bare rock. On 1st Ed. OS map (1875). Minimal investigations, undated.
Citizen Science: ✗
Reliability of Data: Confirmed
Reliability of Interpretation: Confirmed
X: -379674 Y: 6986449 (EPSG: 3857)
Longitude: -3.410667403294859 Latitude: 53.01865491284 (EPSG:4326)
Country: Wales
Current County or Unitary Authority: Denbighshire
Historic County: Merioneth
Current Parish/Community/Council/Townland: Betws Gerfil Goch
Much robbed for stone. Affected by modern wall.
| Extant | ✓ |
| Cropmark | ✗ |
| Likely Destroyed | ✗ |
Rough upland grazing and bare rock.
| Woodland | ✗ |
| Commercial Forestry Plantation | ✗ |
| Parkland | ✗ |
| Pasture (Grazing) | ✓ |
| Arable | ✗ |
| Scrub/Bracken | ✗ |
| Bare Outcrop | ✗ |
| Heather/Moorland | ✗ |
| Heath | ✗ |
| Built-up | ✗ |
| Coastal Grassland | ✗ |
| Other | ✗ |
Small and degraded rocky contour hillfort located in prominent position high on the summit of Mynydd Rhyd-ddu. 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: Hill top
| North | ✗ |
| Northeast | ✗ |
| East | ✗ |
| Southeast | ✗ |
| South | ✗ |
| Southwest | ✗ |
| West | ✗ |
| Northwest | ✗ |
| Level | ✓ |
Altitude: 389.0m
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 (1875). CPAT small enclosures in North-east Wales Project 1999 report.
| 1st Identified Map Depiction (1875): | OS map. |
| Other (1999): | CPAT small enclosures in North-east Wales Project. |
None.
Stream 1.1km 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 | ✗ |
Possible N entrance.
| 1: | None |
| 2: | None |
Guard Chambers: ✗
Chevaux de Frise: ✗
| 1. Simple Gap (North): | None |
Much robbed for stone and formerly consisted of a substantial encircling stone wall 3m-4.5m at its base, now some 0.75m-1m, and to 0.8m high only at best. Traces of wall foundations can still be found in places, best seen sweeping round at N end. No ditch.
| Area 1: | 0.33ha. |
| Total: | 0.33ha. |
Total Footprint Area: Noneha.
None
| ✗ | None |
| ✗ | Much robbed and only traces remain. |
| NE Quadrant: | 1 |
| SE Quadrant: | 1 |
| SW Quadrant: | 1 |
| NW Quadrant: | 1 |
| Total: | 1 |
| 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 |
| ✗ | None visible. |
Number of Ditches: 0
| ✗ | None |
Bowen, E.G. and Gresham, C.A. 1967. History of Merioneth 1, Dolgellau, 172.
Jones, N.W. 1999. Small enclosures in North-east Wales, Project Report, CPAT Report 290, Welshpool: CPAT.
Manley, J. 1990. A preliminary survey of some undated small settlements in North-east Wales, Arch Camb, 21-55.
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