Cross dyke on north eastern spur of Bow Hill, 150m south east of the Tansley Stone
- Heritage Category:
- Scheduled Monument
- List Entry Number:
- Date first listed:
- Date of most recent amendment:
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This copy shows the entry on 24-Jan-2020 at 01:13:32.
The building or site itself may lie within the boundary of more than one authority.
- West Sussex
- Chichester (District Authority)
- National Park:
- SOUTH DOWNS
- National Grid Reference:
- SU 82499 11063
Reasons for Designation
Beneficial land use over the years has enabled Bow Hill and Kingley Vale to support one of the most diverse and well-preserved areas of chalk downland archaeological remains in south eastern England. These remains are considered to be of particular significance because they include types of monument, dating from the prehistoric and Roman periods, more often found in Wessex and south western Britain. The well-preserved and often visible relationship between trackways, settlement sites, land boundaries, stock enclosures, flint mines, ceremonial and funerary monuments in the area gives significant insight into successive changes in the pattern of land use over time. Cross dykes are substantial linear earthworks typically between 0.2km and 1km long comprising one or more ditches arranged beside and parallel to one or more banks. They generally occur in upland situations, running across ridges and spurs. They are recognised as earthworks or as cropmarks on aerial photographs, or as combinations of both. The evidence of excavation and analogy with associated monuments demonstrates that their construction spans the millenium from the Middle Bronze Age, although they may have been reused later. Current information favours the view that they were used as territorial boundary markers, probably demarcating land allotment within communities, although they may also have been used as trackways, cattle droveways or defensive earthworks. Cross dykes are one of the few monument types which illustrate how land was divided up in the prehistoric period. They are of considerable importance for any analysis of settlement and land use in the Bronze Age. Very few have survived to the present day and hence all well-preserved examples are considered to be of national importance. Despite some damage caused by the action of tree roots, the cross dyke on the south eastern spur of Bow Hill survives well and will contain archaeological remains and environmental evidence relating to the monument and the landscape in which it was constructed. The cross dyke is part of a group of linear earthworks constructed across the three limbs of the Y-shaped hill, partly enclosing the hilltop and the Devil's Humps round barrow cemetery. These monuments are broadly contemporary and their close association will therefore provide evidence for the relationship between land division and funerary practice during the period of their construction and use.
The monument includes a cross dyke running across a spur which projects from a
ridge of the Sussex Downs.
The cross dyke is a south west-north east orientated, slightly curving ditch
200m long, 5m wide and up to 0.5m deep flanked on the south east side by a
bank 3m wide, surviving to a height of 0.4m above the surrounding ground. The
cross dyke spans the full width of the spur, fading out at the point where the
ground falls away steeply on each side.
MAP EXTRACT The site of the monument is shown on the attached map extract. It includes a 2 metre boundary around the archaeological features, considered to be essential for the monument's support and preservation.
The contents of this record have been generated from a legacy data system.
- Legacy System number:
- Legacy System:
This monument is scheduled under the Ancient Monuments and Archaeological Areas Act 1979 as amended as it appears to the Secretary of State to be of national importance. This entry is a copy, the original is held by the Department for Digital, Culture, Media and Sport.
End of official listing