LiDAR 1m DTM Hillshade
Satellite Imagery
LiDAR 1m DTM Hillshade
Satellite Imagery
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HER: Clwyd Powys 444 (None)
NMR: SN 93 SE (92038)
SM: BR044(POW)
NGR: SN96953060
X: 296950 Y: 230600 (OSGB36)
Oval, univallate, partial contour hillfort sited on summit of a S-projecting spur at the confluence of the River Usk and Nant Bran at Trallwng. Near the NW side of the site is the source of the Nant Sefin which joins the Usk to the S. N and W slopes moderate to strong, E and S steep. Roughly oval in shape, measuring 121m NNW-SSE by 86m overall, with area c.0.8ha, and internally 104m NNW-SSE by 67m, with internal area c. 0.45ha. Defined by earth and stone bank possibly laid out in short linear stretches taking account of the topography (a method of construction or possible evidence of gang working). Main bank to 2m high external, best on N, and outer ditch 0.2m deep on N, generally surviving in part. Possible entrance just S of centre of W side. Modem gaps in rampart on E and W. Annexe of 40m by 35m at SW bounded by field way and scarps. Vestiges of a bank crosses and sub-divides the interior with central gate. Formerly, (before ploughing) a series of earthworks, hollow-ways and tracks were outside the site to NW covering an area of c. 100m by 80m. Under improved pasture. Earthworks much reduced by erosion and agriculture. On 1st Ed. OS map (1886-88). Minimal investigations, undated.
Citizen Science: ✗
Reliability of Data: Confirmed
Reliability of Interpretation: Confirmed
X: -389767 Y: 6793665 (EPSG: 3857)
Longitude: -3.501338018369304 Latitude: 51.96425805517379 (EPSG:4326)
Country: Wales
Current County or Unitary Authority: Powys
Historic County: Brecknockshire
Current Parish/Community/Council/Townland: Trallwng
Earthworks much reduced by erosion and agriculture.
| Extant | ✓ |
| Cropmark | ✗ |
| Likely Destroyed | ✗ |
Improved pasture.
| Woodland | ✗ |
| Commercial Forestry Plantation | ✗ |
| Parkland | ✗ |
| Pasture (Grazing) | ✓ |
| Arable | ✗ |
| Scrub/Bracken | ✗ |
| Bare Outcrop | ✗ |
| Heather/Moorland | ✗ |
| Heath | ✗ |
| Built-up | ✗ |
| Coastal Grassland | ✗ |
| Other | ✗ |
Oval, univallate, partial contour hillfort sited on summit of a S-projecting spur at the confluence of the River Usk and Nant Bran. Near the NW side of the site is the source of the Nant Sefin which joins the Usk to the S. N and W slopes moderate to strong, E and S steep.
| 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: Mountain spur.
| North | ✗ |
| Northeast | ✗ |
| East | ✗ |
| Southeast | ✓ |
| South | ✗ |
| Southwest | ✗ |
| West | ✗ |
| Northwest | ✗ |
| Level | ✗ |
Altitude: 351.0m
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 (1886-88). RCAHMW investigation 1978. CPAT defended enclosures survey 2006-2007.
| Other (1978): | RCAHMW investigation. |
| 1st Identified Map Depiction (None): | OS map. |
| Other (None): | CPAT defended enclosures survey. |
None.
Near the NW side of the site is the source of the Nant Sefin which joins the Usk to the S.
| 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 | ✗ |
Incomplete lower portion of rotary quern, c. 0.4m diameter, found on slopes to SE of Twyn-y-gaer.
| 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 entrance just S of centre of W side. Movement along modem path has caused breaches in the rampart on E and W.
| 5: | Modern path damage. |
| 2: | None |
Guard Chambers: ✗
Chevaux de Frise: ✗
| 1. Simple Gap (South west): | None |
Earth and stone bank appears to have been laid out in short linear stretches taking account of the topography (a method of construction or possible evidence of gang working). Outer ditch survives in part.
| Area 1: | 0.45ha. |
| Total: | 0.45ha. |
Total Footprint Area: 0.8ha.
None
| ✗ | None |
| ✓ | None |
| 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 | ✗ |
Earth and stone 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 | ✗ |
| ✓ | Earth and stone bank appears to have been laid out in short linear stretches taking account of the topography; Method of construction or possible evidence of gang working? |
| ✓ | Outer ditch survives in part. |
Number of Ditches: 1
| ✓ | Annexe of 40m by 35m at SW bounded by field way and scarps. |
Savory, H.N. 1952. List of Hill-forts and other earthworks in Wales, III, Brecknockshire, Bull Board Celtic Stud, 14, 72.
Silvester, B. 2007. The Clwyd-Powys Archaeological Trust. Defended enclosures in Brecknock, CPAT Report No 859, Welshpool: CPAT.
RCAHMW 1986. An inventory of the ancient monuments in Brecknock (Brycheiniog). The Prehistoric and Roman monuments, Vol 1, Part 2, Hill-forts and Roman remains, HF 11, London: 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