Atlas of Hillforts of Britain and Ireland

WA1193 Perwlwyn Coppice, Montgomeryshire (Derwlwyn Coppice)

LiDAR 1m DTM Hillshade

LiDAR 1m DTM Hillshade

Satellite Imagery

Satellite Imagery

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HER:  Clwyd Powys 3960 (None)

NMR:  SJ 12 SE 11 (306784)

SM:  MG228(POW)

NGR:  SJ15042018

X:  315040  Y:  320180  (OSGB36)

Summary

Probable partial contour hillfort located at the end of an E-W ridge above the confluence of two streams and Afon Cain to S at Llanfylin. Moderate to strong surrounding slopes, steeper to NE. Trapezoidal in form measuring 56m long by 50m at W end and 22m wide at E end with internal area c. 0.28ha. Defined by W-facing bank and ditch, elsewhere by scarps and terracing with ditch possibly completing the circuit. Causewayed approach at the SW corner to entrance. Fully wooded site. On 1st Ed. OS map (1875-76). Minimal investigations, undated.

Status

Citizen Science:  ✗

Reliability of Data:  Confirmed

Reliability of Interpretation:  Confirmed

Location

X:  -362994  Y:  6941023  (EPSG: 3857)

Longitude:  -3.2608298880390927  Latitude:  52.7724808822088  (EPSG:4326)

Country:  Wales

Current County or Unitary Authority:  Powys

Historic County:  Montgomeryshire

Current Parish/Community/Council/Townland:  Llanfylin

Monument Condition

No details on condition.

Condition:
Extant   ✓
Cropmark   ✗
Likely Destroyed   ✗

Land Use

Fully wooded site.

Current Use:
Woodland   ✓
Commercial Forestry Plantation   ✗
Parkland   ✗
Pasture (Grazing)   ✗
Arable   ✗
Scrub/Bracken   ✗
Bare Outcrop   ✗
Heather/Moorland   ✗
Heath   ✗
Built-up   ✗
Coastal Grassland   ✗
Other   ✗

Landscape

Hillfort Type

Probable partial contour hillfort located at the end of an E-W ridge above the confluence of two streams and Afon Cain to S.

Type:
Contour Fort   ✗
Partial Contour Fort   ✓
Promontory Fort   ✗
Hillslope Fort   ✗
Level Terrain Fort   ✗
Marsh Fort   ✗
Multiple Enclosure Fort   ✗

Topographic Position

Position:
Hilltop   ✗
Coastal Promontory   ✗
Inland Promontory   ✗
Valley Bottom   ✗
Knoll/Hillock/Outcrop   ✗
Ridge   ✓
Cliff/Plateau-edge/Scarp   ✗
Hillslope   ✗
Lowland   ✗
Spur   ✗

Dominant Topographic Feature:  Ridge

Aspect:
North   ✗
Northeast   ✗
East   ✗
Southeast   ✓
South   ✗
Southwest   ✗
West   ✗
Northwest   ✗
Level   ✗

Altitude:  190.0m

Boundary

N/A


Dating Evidence

None.

Reliability:  D - None

Principal Activity:
Pre 1200BC   ✗
1200BC - 800BC   ✗
800BC - 400BC   ✗
400BC - AD50   ✗
AD50 - AD400   ✗
AD400 - AD 800   ✗
Post AD800   ✗
Unknown   ✓

Other Activity:
Pre Hillfort:   None
Post Hillfort:   None

Evidence:No related records

Investigation History

On 1st Ed. OS map (1875-76). CPAT Montgomeryshire Small enclosures project 1990-97.

Investigations:
1st Identified Map Depiction (None):   OS map.
Other (None):   CPAT Montgomeryshire Small enclosures project.

Interior Features

None

Water Source

None

Source:
None   ✓
Spring   ✗
Stream   ✗
Pool   ✗
Flush   ✗
Well   ✗
Other   ✗

Surface

None

Interior Features (Surface):
No Known Features   ✓
Round Stone Structures   ✗
Rectangular Stone Structures   ✗
Curvilinear Platforms   ✗
Other Roundhouse Evidence   ✗
Pits   ✗
Quarry Hollows   ✗
Other   ✗

Excavation

None

Interior Features (Excavation):
No Known Excavation   ✓
Pits   ✗
Postholes   ✗
Roundhouses   ✗
Rectangular Structures   ✗
Roads/Tracks   ✗
Quarry Hollows   ✗
Other   ✗
Nothing Found   ✗

Geophysics

None

Interior Features (Geophysics):
No Known Geophysics   ✓
Pits   ✗
Roundhouses   ✗
Rectangular Structures   ✗
Roads/Tracks   ✗
Quarry Hollows   ✗
Other   ✗
Nothing Found   ✗

Finds

None

Interior (Finds):
No Known Finds   ✓
Pottery   ✗
Metal   ✗
Metalworking   ✗
Human Bones   ✗
Animal Bones   ✗
Lithics   ✗
Environmental   ✗
Other   ✗

Aerial

None

Interior Features (Aerial):
APs Not Checked   ✓
None   ✗
Roundhouses   ✗
Rectangular Structures   ✗
Pits   ✗
Postholes   ✗
Roads/Tracks   ✗
Other   ✗

Entrances

Causewayed approach at the SW corner to entrance.

Total Number of Breaks Through Ramparts:  
1:   None

Number of Possible Original Entrances:  
2:   None

Guard Chambers:  ✗

Chevaux de Frise:  ✗

Entrances:
1. Simple Gap (South west):   Causewayed approach.

Enclosing Works

Defined by W-facing bank and ditch, elsewhere by scarps and terracing with ditch possibly completing the circuit.

Enclosed Area:
Area 1:   0.28ha.
Total:   0.28ha.

Total Footprint Area:  Noneha.

Ramparts

None

Multi-period Enclosure System:
✗   None

Ramparts Form a Continuous Circuit:
✓   Probably circuit complete, but no details as such.

Number of Ramparts:  
NE Quadrant:   1
SE Quadrant:   1
SW Quadrant:   1
NW Quadrant:   1
Total:   1

Morphology

Current Morphology:
Partial Univallate   ✗
Univallate   ✓
Partial Bivallate   ✗
Bivallate   ✗
Partial Multivallate   ✗
Multivallate   ✗
Unknown   ✗

Detailed Morphology:
Partial Univallate   ✗
Univallate   ✗
Partial Bivallate   ✗
Bivallate   ✗
Partial Multivallate   ✗
Multivallate   ✗

Surface Evidence

None

Enclosing Works (Surface):
None   ✗
Earthen Bank   ✓
Stone Wall   ✗
Rubble   ✗
Wall-walk   ✗
Evidence of Timber   ✗
Vitrification   ✗
Other Burning   ✗
Palisade   ✗
Counter Scarp Bank   ✗
Berm   ✗
Unfinished   ✗
Other   ✗

Excavated Evidence

None

Enclosing Works (Excavation):
None   ✗
Earthen Bank   ✗
Stone Wall   ✗
Murus Duplex   ✗
Timber-framed   ✗
Timber-laced   ✗
Vitrification   ✗
Other Burning   ✗
Palisade   ✗
Counter Scarp Bank   ✗
Berm   ✗
Unfinished   ✗
No Known Excavation   ✓
Other   ✗

Other

Gang Working:
✗   None

Ditches:
✓   Terracing with ditch possibly completing the circuit.

Number of Ditches:  1

Annex:
✗   None

References

Silvester, R.J. and Britnell, W.J. 1993. Montgomeryshire small enclosures project. Summary Report 1993, CPAT Report No 80, Welshpool, Clwyd-Powys Archaeological Trust.



Terms of Use

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


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