Cof Cymru: National Historic Assets of Wales · Wales
Cefn Morfydd Dyke & Earthwork
Tonna, Neath Port Talbot, Wales
A scheduled monument in Tonna, Neath Port Talbot, recorded as Linear Earthwork (Early Medieval).
The record
- Designation
- Scheduled monument
- Site type
- Linear Earthwork
- Period
- Early Medieval
- Community
- Tonna
- Unitary authority
- Neath Port Talbot
- Country
- Wales
- Coordinates (centre of the scheduled area)
- 51.66858, -3.75410
- SAM number
- GM264
- Cadw record number
- 396
Slide toward Today to fade the historical sheet and see the modern map underneath.
David Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford Libraries
5 historical maps cover this location, the earliest the 1636 map "Cornubia : Devonia, Somersetus, Dorcestria, Wiltonia, Glocestria ..." (David Rumsey Map Collection, Stanford Libraries).
Historical maps covering this location
- 1636 · Cornubia : Devonia, Somersetus, Dorcestria, Wiltonia, Glocestria ... (David Rumsey Map Collection, Stanford Libraries)
- 1637 · The fourth table of England. Cornub. Devonia, Somerset etc. (David Rumsey Map Collection, Stanford Libraries)
- 1830 · V.3:11-15:XV. Britisches Reich. A. Kon: England. b. Frstenthum Wales: Shire: 37-40 (David Rumsey Map Collection, Stanford Libraries)
- 1865 · England and Wales. England No. 6. (David Rumsey Map Collection, Stanford Libraries)
- 1891 · Sheet 10. Ordnance Survey of England and Wales. . (David Rumsey Map Collection, Stanford Libraries)
Cadw's description
Summary description and reason for designation
The following provides a general description of the Scheduled Ancient Monument.
The monument consists of the remains of a dyke, a defensive boundary or earthwork, dating to the later prehistoric/medieval period.
The dyke and earthwork are situated on the north-east slop of Cefn Morfudd facing low ground to the north-west. The ends of the dyke are c. 410m apart, the middle of the dyke curving in towards the south-west. The western section comprises of a bank and ditch. The dyke is broken through at various points by tracks and watercourses. The earthwork lies approximately 90m south-west of the western end of the dyke. It is oval in shape, measuring c. 60m by c. 40m. The bank and ditch are best preserved on the eastern side and there is an entrance on the north-east.
The monument is of national importance for its potential to enhance our knowledge of later prehistoric/medieval defensive organisation and settlement. It retains significant archaeological potential, with a strong probability of the presence of associated archaeological features and deposits. A dyke may be part of a larger cluster of monuments and their importance can further enhanced by their group value.
The scheduled area comprises the remains described and areas around them within which related evidence may be expected to survive.
Nearby in the register
- Glyncorrwg Mineral Railway (Parsons Folly) Section on Cefn MorfuddRailwayunder 1 mi
- Grotto in Gnoll EstateGardens, Parks and Urban Spacesunder 1 mi
- Blaen-Cwmbach EarthworkEnclosureunder 1 mi
- Mosshouse Wood CascadeGardens, Parks and Urban Spacesunder 1 mi
Other entries of the same register within about three miles of this one, by straight line.