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Latitude: 52.0603 / 52°3'37"N
Longitude: -3.4131 / 3°24'46"W
OS Eastings: 303219
OS Northings: 241160
OS Grid: SO032411
Mapcode National: GBR YN.D820
Mapcode Global: VH6BC.SGJW
Entry Name: Gwaun Ymryson Round Cairn
Scheduled Date: 22 March 1994
Source: Cadw
Source ID: 1814
Cadw Legacy ID: BR205
Schedule Class: Religious, Ritual and Funerary
Category: Cairn
Period: Prehistoric
County: Powys
Community: Merthyr Cynog
Traditional County: Brecknockshire
The monument comprises the remains of two round cairns, which probably date to the Bronze Age (c. 2300 - 800 BC) and are situated to the east of a long ridge which runs north to south 411m above sea level on enclosed moorland. The southern cairn has a diameter of 9.5m on its east west axis and 8.7m on its north south axis and stands up to 0.6m in height. The second cairn is approximately 120m to the north of the first and has a diameter of 4m but of negligible height, though noticeably stony in composition.
The monument is of national importance for its potential to enhance our knowledge of prehistoric burial and ritual practices. The features are an important relic of a prehistoric funerary and ritual landscape and retain significant archaeological potential. There is a strong probability of the presence of both intact ritual and burial deposits, together with environmental and structural evidence. Cairns 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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