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HER Number:MDV25058
Name:Claypit at Red Lake China Clay Works, Dartmoor Forest


Large claypit on the west side of Red Lake China Clay Works now water-filled.


Grid Reference:SX 644 668
Map Sheet:SX66NW
Admin AreaDartmoor National Park
Civil ParishDartmoor Forest
DistrictWest Devon
Ecclesiastical ParishLYDFORD

Protected Status

  • SHINE: Earthwork remains of the early 20th century China Clay works at Redlake Mine and the associated railway, as well as prehistoric remains on Ugborough Moor

Other References/Statuses

  • National Monuments Record
  • National Record of the Historic Environment
  • Old DCC SMR Ref: SX66NW/125

Monument Type(s) and Dates

  • CLAY PIT (Constructed, Edwardian to Early 20th Century - 1910 AD (Between) to 1932 AD (Between))

Full description

National Monument Record, 1969, NMR SX6468, 1 (Aerial Photograph). SDV226078.

Photograph yaken on 12th April 1969.

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

Claypit at SX64516687 with spoilheaps at SX64616696 and at SX64306670.

Griffith, F. M., 1988, DAP/KP (Aerial Photograph). SDV51366.

Photograph taken on 16th February 1988.

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

Feature visible on aerial photograph.

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

Pit shown on survey.

Newman, P., 2018, The Upper Erme Valley, Dartmoor National Park, Devon: An Archaeological Survey, Appendix 1, Figure 46 (Report - Survey). SDV362921.

Redlake china clay pit is located on flattish ground at the head of Redlake, an eastern tributary of the River Erme, which had previously been heavily worked for tin using streamworking methods. The remains comprise a very deep pit, though this is now completely water filled with a surface area of 1.4 hectares. A large overburden heap (MDV122909) in the form of finger dumps is 120 metres south-west of the pit, where the waste was delivered via a tramway. The earthwork cutting through which it passed survives though now disguised by rushes. The main, cone-shaped waste heap (MDV 25060) is adjacent to the north-east side of the pit. Photographs of the pit when still in use and before being filled with water have been published by E. A. Wade (1985). The pit was active between 1910 and 1932, operated by the China Clay Corporation Ltd and later by the Ivybridge Clay Company.

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

Water-filled pit shown on modern mapping.

Sources / Further Reading

SDV226078Aerial Photograph: National Monument Record. 1969. NMR SX6468. National Monument Record Aerial Photograph. Photograph (Paper). 1.
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.
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: #84917 ]
SDV363413Cartographic: Ordnance Survey. 2020. MasterMap 2020. Ordnance Survey Digital Mapping. Digital.
SDV51366Aerial Photograph: Griffith, F. M.. 1988. DAP/KP. Devon Aerial Photograph. Photograph (Paper).

Associated Monuments

MDV107445Part of: Redlake China Clay works, Dartmoor Forest (Monument)
MDV25061Related to: Building at Red Lake Clay Works, Dartmoor Forest (Building)
MDV122902Related to: Demolished buildings at Redlake Clay Works, Dartmoor Forest (Building)
MDV24806Related to: Remains of a building at Redlake clay pit, Dartmoor Forest (Building)
MDV122901Related to: Remains of winding house at Redlake, Dartmoor Forest (Building)
MDV25060Related to: Spoilheap at Red Lake China Clay Works, Dartmoor Forest (Monument)
MDV3138Related to: The Redlake China Clay Railway, Harford & Dratmoor Forest Parishes (Monument)
MDV25059Related to: Two shallow reservoirs at Red Lake China Clay Works, Dartmoor Forest (Monument)

Associated Finds: none recorded

Associated Events

  • EDV8082 - Survey of the Upper Erme Valley
  • EDV8409 - Dartmoor Royal Forest Project

Date Last Edited:Jan 11 2022 2:05PM