The Glamorgan-Gwent Archaeological
Trust Historic Environment Record
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Thornwell Farm Chambered Tomb
Primary Reference Number (PRN) : 04432g Trust : Glamorgan Gwent Community : Chepstow Unitary authority : Monmouthshire NGR : ST53959167 Site Type (preferred type first) : Bronze Age Chambered tomb Status : Scheduled Monument
Summary : The present visit identified a large oval mound, with a level top, situated within a modern housing estate in the centre of an urban green. The mound stands quite high, is aligned NNE-SSW and takes advantage of a lynchet in its sitting; the presence of a
Description : The present visit identified a large oval mound, with a level top, situated within a modern housing estate in the centre of an urban green. The mound stands quite high, is aligned NNE-SSW and takes advantage of a lynchet in its sitting; the presence of a mature oak growing on the NE of the mound and the presence of the lynchet may indicate a former field boundary. The mound has a regularly defined perimeter, but the NW periphery utilises the lynchet and is therefore harder to identify.The mound's SE perimeter is clearly defined although much lower in height than its opposite side. There are 3 stones placed within the W perimeter at staggered intervals, which appear regular in their form and setting, and may possibly indicate an intended boundary. There was no visible ditch or, with the exception of the afore mentioned 3 stones, any kerbstones around the mound's perimeter. The mound is characterised to the N by a haphazard arrangement of boulders (0.1m-0.3m in size) around the base of the oak with one large elongated stone aligned NE-SW. A large (3.2m x 1.5m) rectangular feature of four stones creating an enclosed hollow occupies the E area of the mound's flattened top. While an exposed walled feature of stones laid end to end partially encloses and defines the NW and SW limits of the mound's level top. Dimensions: Dia; 17m NE-SW x 12.5m SE-NW Hght; 0.2m E x 1.5m N (1992) Long barrow and Round barrow at Thornwell Farm. Long barrow: A rather ill defined oval mound c.16m by 10m, and c.1.5m high. It occupies a break of slope down a shallow dry valley. A large tree on the mound and its general abraded character suggest that it had been incorporated in a recent hedge bank or lynchet. Excavation revealed a drystone revetment, one large and two small megalithic chambers, one with a porthole, together with articulated and disarticulated human bones, pottery and flint etc. (Source 2) GGAT 72 Prehistoric Funerary and Ritual Sites Project 2003