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HER Number:MDV4331
Name:Small prehistoric Enclosure 'A' on the Erme Plains, Cornwood


Small ruined prehistoric Enclosure 'A' (Butler) with possible internal hut circle on the Erme Plains to the east of the stone row. This site is on the local list of Nationally Important Dartmoor sites.


Grid Reference:SX 635 648
Map Sheet:SX66SW
Admin AreaDartmoor National Park
Civil ParishCornwood
DistrictSouth Hams
Ecclesiastical ParishCORNWOOD

Protected Status

  • SHINE: Knackersmill Gulf prehistoric settlement consisting of a small ruined enclosure with possible internal hut circle

Other References/Statuses

  • Dartmoor Non-designated Heritage Asset: Y
  • National Monuments Record: SX66SW2
  • National Record of the Historic Environment: 442162
  • Old DCC SMR Ref: SX66SW/74

Monument Type(s) and Dates

  • ENCLOSURE (Constructed, Bronze Age - 2200 BC (Between) to 701 BC (Between))

Full description

Ordnance Survey, 1880-1899, First Edition Ordnance 25 inch map (Cartographic). SDV336179.

D-shaped feature shown on 19th century map.

Royal Air Force, 1946, RAF/CPE/UK/1890, 4277-8 (Aerial Photograph). SDV169268.


Ordnance Survey Archaeology Division, 1950 - 1977, SX66SW2 (Ordnance Survey Archaeology Division Card). SDV155388.

Enclosure; very poor and fragmentary. (1950)
(09/08/1977) An irregular enclosure, 25m by 20m, on a gentle, well drained, east facing slope at 365m above OD. The turf-covered walling, 1.0 to 2.0m wide, constructed of small boulders, is in very ruinous condition. There is no trace of settlement or cultivation within the enclosed area.
1:10 000 Survey revised on MSD.

National Monuments Record, 1976, NMR SX6364, 2 (Aerial Photograph). SDV155390.

Royal Commission on the Historical Monuments of England, 1985, Aerial Photograph Project (Dartmoor) - Dartmoor Pre-NMP (Cartographic). SDV319854.

Visible and recorded.

Butler, J., 1993, Dartmoor Atlas of Antiquities: Volume Four - The South-East, 69-70, Map 55 Figure 55.3 (Monograph). SDV337765.

Enclosure'A' a small pound with a single hut circle measuring 2.7 meters on its south western boundary. May be associated with an isolated hut circle approximately 150 meters to the south.

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.

GeoInformation Group Ltd, 2010, 1:625 2010 Colour (12.5cm resolution) (Aerial Photograph). SDV346026.

Newman, P., 2018, Erme Valley Survey data (GIS and Excel spreadsheet) (Cartographic). SDV361913.

Enclosure shown on survey.

Newman, P., 2018, The Upper Erme Valley, Dartmoor National Park, Devon: An Archaeological Survey, Appendix 1 (Report - Survey). SDV362921.

A prehistoric enclosure on the lower western slopes of the River Erme. The low turf-covered stony bank of the perimeter is spread up to 3 metres but stands to less than 0.5 metres high. The enclosure is incomplete on the southern side though the area can be estimated at 0.4 hectares. A hut circle recorded by Butler could not be found though the vegetation covering of Molina grass is now very dense.

Ordnance Survey, 2020, MasterMap 2020 (Cartographic). SDV363413.

Oval feature shown on modern mapping.

Sources / Further Reading

SDV155388Ordnance Survey Archaeology Division Card: Ordnance Survey Archaeology Division. 1950 - 1977. SX66SW2. Ordnance Survey Archaeology Division Card. Card Index.
SDV155390Aerial Photograph: National Monuments Record. 1976. NMR SX6364. National Monuments Record Aerial Photograph. Photograph (Paper). 2.
SDV169268Aerial Photograph: Royal Air Force. 1946. RAF/CPE/UK/1890. Royal Air Force Aerial Photograph. Photograph (Paper). 4277-8.
SDV319854Cartographic: Royal Commission on the Historical Monuments of England. 1985. Aerial Photograph Project (Dartmoor) - Dartmoor Pre-NMP. Royal Commission on the Historical Monuments of England Aerial Photograph P. Cartographic.
SDV336179Cartographic: Ordnance Survey. 1880-1899. First Edition Ordnance 25 inch map. First Edition Ordnance Survey 25 inch Map. Map (Digital).
SDV337765Monograph: Butler, J.. 1993. Dartmoor Atlas of Antiquities: Volume Four - The South-East. Dartmoor Atlas of Antiquities: Volume Four - The South-East. Four. Paperback Volume. 69-70, Map 55 Figure 55.3.
SDV345444Un-published: Gerrard, S.. 2004. List of Sites Remaining to be Considered for Designation on Dartmoor. Digital.
SDV346026Aerial Photograph: GeoInformation Group Ltd. 2010. 1:625 2010 Colour (12.5cm resolution). 2010 Aerial Photographs. Digital.
SDV361913Cartographic: Newman, P.. 2018. Erme Valley Survey data (GIS and Excel spreadsheet). GIS ShapeFile. Digital. [Mapped feature: #124964 ]
SDV363413Cartographic: Ordnance Survey. 2020. MasterMap 2020. Ordnance Survey Digital Mapping. Digital.

Associated Monuments

MDV4236Related to: Enclosure and hut circles on Erme Plains, Cornwood (Monument)
MDV28119Related to: Possible hut circle on Erme Plains, Cornwood (Monument)
MDV4309Related to: Stall Moor long stone row, Cornwood, Harford and Lydford Parishes (Monument)

Associated Finds: none recorded

Associated Events

  • EDV8082 - Survey of the Upper Erme Valley

Date Last Edited:Sep 10 2021 2:39PM