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Historic England Research Records

Monument Number 441387

Hob Uid: 441387
Location :
Devon
South Hams, West Devon
West Buckfastleigh, Holne, Dartmoor Forest
Grid Ref : SX6597069050
Summary : A round platform cairn, 16 metres in diameter and 1.1 metres high constructed of turf covered boulders. It is in good condition except for a small central disturbance and a modern marker cairn, 0.8 m high and 1 m diameter.
More information : (SX 65976906) Cairn (NR) Petre's Bound Stone (NAT). (1)

SX 65976905 This large platform cairn, 30.5 m diameter and on average 1.0 m high is turf covered and in good condition, except for the
erection of Petre's Bound Stone, a modern boundary stone, and an
OS triangulation pillar upon it. It lies on the broad level
summit of Ryder's Hill at 515 m above OD.

O.S. 1:10,000 Survey revised. (2)

A large, turf-covered platform cairn lies towards the centre of the plateau of Ryder's Hill at SX 65976905. It is circular with a diameter of 30.8m and a maximum height of 1.5m. It is very compact, containing a very large proportion of stone.

Externally, on the northern side, the scarp has slumped slightly, and there is a slight cutting into the south-south-western edge. Internally, there is a long, curved hollow on the north side from the north-east through to the north-west which gives the false appearance of a rim surrounding a central mound. Within this ditch is a hollow 4.5m in diameter and 0.4m deep. It is likely that this supplied the packing stone for the two boundary posts to the south of the triangulation pillar in the centre of the cairn. Around there, as well as around the OS pillar, there are erosion hollows but, despite these, the cairn is in remarkably good condition with no great loss of stone.

In the survey of the Forest Bounds in 1607 the cairn was referred to as "Knattleburroughe" as well as "Gnatteshill" (Hemery), and other variations (Butler). The cairn appears to have had importance since at least the 1240 Perambulation (Butler), the route of which is now fossilized by the current boundary markers.

Ryder's Hill cairn is the highest point on the south moor and the second highest point on the whole of Dartmoor after North Hessary (Hemery). The views are panoramic. To the south, Plymouth and the channel are visible as well as the Isle of Portland to the south-east (Hemery) and supposedly the Lizard Point to the south-west (Crossing). To the south, Three Barrows can be seen on the horizon, to the south-west is Redlake, and to the north-west is North Hessary.
The cairn is best preserved and highest on its south-western side.(3)

Sources :
Source Number : 1
Source : Ordnance Survey Map (Scale / Date)
Source details : OS 6" 1969
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Source Number : 2
Source : Field Investigators Comments
Source details : F1 CC 14-JUL-77
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Source Number : 3
Source : Field Investigators Comments
Source details : Henry Chapman/11-JAN-1995/RCHME : DARTMOOR ROYAL FOREST PROJECT
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Monument Types:
Monument Period Name : Bronze Age
Display Date : Bronze Age
Monument End Date : -700
Monument Start Date : -2600
Monument Type : Cairn
Evidence : Earthwork

Components and Objects:
Related Records from other datasets:
External Cross Reference Source : National Monuments Record Number
External Cross Reference Number : SX 66 NE 13
External Cross Reference Notes :

Related Warden Records :
Related Activities :
Associated Activities : Primary, FIELD OBSERVATION ON SX 66 NE 13
Activity type : FIELD OBSERVATION (VISUAL ASSESSMENT)
Start Date : 1977-07-14
End Date : 1977-07-14
Associated Activities : Primary, RCHME: DARTMOOR ROYAL FOREST PROJECT
Activity type : MEASURED SURVEY
Start Date : 1993-04-10
End Date : 1996-07-12