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Latitude: 51.6444 / 51°38'39"N
Longitude: -3.5618 / 3°33'42"W
OS Eastings: 292032
OS Northings: 195113
OS Grid: SS920951
Mapcode National: GBR HF.7LS9
Mapcode Global: VH5GS.6XWR
Entry Name: Bwlch yr Avan Dyke
Scheduled Date:
Source: Cadw
Source ID: 399
Cadw Legacy ID: GM246
Schedule Class: Monument
Category: Dyke
Period: Prehistoric
County: Bridgend (Pen-y-bont ar Ogwr)
Community: Ogmore Valley (Cwm Ogwr)
Built-Up Area: Nant-y-moel
Traditional County: Glamorgan
The monument consists of the remains of a dyke, a defensive boundary or earthwork, dating to the later prehistoric or medieval period. It measures approx. 155m long, running east-west across the top of the ridge on open moorland. It comprises a ditch with turf-covered banks on both sides, the northern one being somewhat slighter than that on the southern side. The northernmost bank measures 1.2m high and the southern 1.5m high.
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.
Source: Cadw
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