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HER Number:MDV5223
Name:Ryder's Hill cairn


Cairn on riders Hill, with a boundary stone and Ordnance Survey trigpoint mounted on it. This site is on the local list of Nationally Important Dartmoor sites.


Grid Reference:SX 659 690
Map Sheet:SX66NE
Admin AreaDartmoor National Park
Civil ParishDartmoor Forest
Civil ParishHolne
DistrictSouth Hams
DistrictWest Devon
Ecclesiastical ParishLYDFORD

Protected Status

  • SHINE: Bronze age cairn on Ryder's Hill topped with a modern marker stone indicating the boundary between the parishes of Holne and Dartmoor Forest

Other References/Statuses

  • Old DCC SMR Ref: SX66NE/43
  • SHINE Candidate (Yes)

Monument Type(s) and Dates

  • CAIRN (Bronze Age - 2200 BC to 701 BC (Between))
  • BOUNDARY STONE (Modern - 1751 AD to 2013 AD (Between))

Full description

National Monuments Record, NMR SF 1747, 414-416 (Aerial Photograph). SDV145032.

Ordnance Survey, 1904 - 1906, Second Edition Ordnance Survey 25 inch Map (Cartographic). SDV325644.

Petre's bound stone indicated on Ordnance Survey 6 inch (1906) map (and on 6 inch (1969) map.

Ordnance Survey Archaeology Division, 1950 - 1977, SX66NE13 (Ordnance Survey Archaeology Division Card). SDV225626.

Cairn, measuring 29.0 meters in diameter, 1.4 meters in height. A probable turf-covered cairn, surmounted by Petre's boundary stone and Ordnance Survey triangulation pillar (or trigpoint). (1950)
Large platform cairn, 30.5 meters in diameter, 1.0 meter high. Turf-covered and in good condition except for erection of Petre's bound stone, a modern boundary stone and an Ordnance Survey triangulation pillar upon it. It lies on the broad level summit of Ryder's hill at 515 meters above sea level. (1977)

Grinsell, L. V., 1978, Dartmoor Barrows, 141 (Article in Serial). SDV273224.

Cairn, crowned by Petre's boundary stone. The cairn measures 32 meters in diameter, 0.9 meters in height. (Visited 11/10/1975)

Royal Commission on the Historical Monuments of England, 1985, Aerial Photograph Project (Interpretation). SDV319854.

Visible and recorded.

Gerrard, S., 2004, List of Sites Remaining to be Considered for Designation on Dartmoor (Un-published). SDV345444.

This site was considered for designation as a Scheduled Ancient Monument during the Monument Protection Programme. The programme ended before the entire list of sites was successfully scheduled so this is included on a local list of Nationally Important Sites.

Ordnance Survey, 2010, MasterMap (Cartographic). SDV344030.

Sources / Further Reading

SDV145032Aerial Photograph: National Monuments Record. NMR SF 1747. National Monuments Record Aerial Photograph. 414-416.
SDV225626Ordnance Survey Archaeology Division Card: Ordnance Survey Archaeology Division. 1950 - 1977. SX66NE13. Ordnance Survey Archaeology Division Card. Card Index.
SDV273224Article in Serial: Grinsell, L. V.. 1978. Dartmoor Barrows. Proceedings of the Devon Archaeological Society. 36. A5 Paperback. 141.
SDV319854Interpretation: Royal Commission on the Historical Monuments of England. 1985. Aerial Photograph Project. Royal Commission on the Historical Monuments of England Aerial Photograph P. Cartographic.
SDV325644Cartographic: Ordnance Survey. 1904 - 1906. Second Edition Ordnance Survey 25 inch Map. Second Edition Ordnance Survey 25 inch Map. Map (Digital).
SDV344030Cartographic: Ordnance Survey. 2010. MasterMap. Ordnance Survey. Map (Digital). [Mapped feature: #94260 ]
SDV345444Un-published: Gerrard, S.. 2004. List of Sites Remaining to be Considered for Designation on Dartmoor. Digital.

Associated Monuments

MDV48126Related to: Boundary stone on Ryder's Hill (Monument)

Associated Finds: none recorded

Associated Events

  • EDV7100 - Holne Moor Survey

Date Last Edited:Aug 26 2016 1:03PM