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HER Number:MDV103672
Name:Semi-circular enclosure on Erme Pits Hill, Dartmoor Forest


Possible prehistoric semi-circular enclosure on the western bank of Wollake. Much distrubed by Medieval and later tinning in the area; there is a tinners hut lying within the enclosure.


Grid Reference:SX 629 669
Map Sheet:SX66NW
Admin AreaDartmoor National Park
Civil ParishDartmoor Forest
DistrictWest Devon
Ecclesiastical ParishLYDFORD

Protected Status

  • SHINE: Structural and earthwork remains of Medieval or later tin streamworks on the River Erme and its tributaries, Blacklane Brook, Dry Lake and Red Lake, as well as blowing houses and tinners buildings and possible prehistoric enclosures at Wollake

Other References/Statuses

  • SHINE Candidate (Yes)

Monument Type(s) and Dates

  • ENCLOSURE (Early Neolithic to Late Bronze Age - 4000 BC to 701 BC (Between))

Full description

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

Butler depicts possible prehistoric enclosure.

Royal Commission for the Historical Monuments of England, 1993-1998, Dartmoor Royal Forest Project, 10-DEC-1994 (Report - Survey). SDV346608.

Centred SX 62926694. A disturbed semi-circular enclosure on the steep south-east facing slope of Erme Pits Hill above the right bank of Wollake. The enclosure is bounded on the north and west by a broad stoney bank up to 3.8 metres wide and a maximum of 1.0 metre high. The remaining sides have been obliterated by medieval and later tinning. There is no discernible entrance. The steeply sloping interior of the enclosure has also suffered from tinning and is devoid of contemporary features.
A tinners hut (MDV5113) lies in the streamworks now forming the eastern edge of the enclosure.
Several disturbed enclosures and a possible hut circle (MDV103562) are visible 100 metres to the south on the opposite side of the valley.

Environment Agency WMS, 1998-2016, LiDAR DSM data JPEG image (1m resolution) (Cartographic). SDV360209.

Outline visible on Lidar data.

English Heritage, 2005-2008, Prehistoric Survey Information (Report - Survey). SDV345521.

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

Bluesky International Ltd/Getmapping PLC, 2015-2017, 2015-2017 Aerial Photographs (Aerial Photograph). SDV361462.

Enclosure visible on aerial photograph.

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

Newman, P., 2018, The Upper Erme Valley, Dartmoor National Park, Devon: An Archaeological Survey, Appendix 1, Figure 38 (Report - Survey). SDV362921.

A disturbed semi-circular prehistoric enclosure on the steep slope of Erme Pits Hill above the west bank of Blacklane Brook. The enclosure comprises a tumbled and spread, semi-circular wall bank of up to 3.7 metres wide and a maximum of 1.0 metre high, constructed from large boulders. The south-east side is truncated by the Blacklane Brook tin streamworks. No further evidence survives on the opposite side of the brook, where intensive medieval and later tin working would have obliterated any continuation. No hut circles have been noted on the interior, which is on steeply sloping ground.

Sources / Further Reading

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. Map 55.
SDV345521Report - Survey: English Heritage. 2005-2008. Prehistoric Survey Information. English Heritage. Digital.
SDV346026Aerial Photograph: GeoInformation Group Ltd. 2010. 1:625 2010 Colour (12.5cm resolution). 2010 Aerial Photographs. Digital.
SDV346608Report - Survey: Royal Commission for the Historical Monuments of England. 1993-1998. Dartmoor Royal Forest Project. Royal Commission for the Historical Monuments of England Field/Recording In. Unknown. 10-DEC-1994.
SDV360209Cartographic: Environment Agency WMS. 1998-2016. LiDAR DSM data JPEG image (1m resolution). Environment Agency LiDAR data. Digital.
SDV361462Aerial Photograph: Bluesky International Ltd/Getmapping PLC. 2015-2017. 2015-2017 Aerial Photographs. Bluesky International Ltd/Getmapping PLC. Photograph (Digital). [Mapped feature: #63173 ]
SDV361913Cartographic: Newman, P.. 2018. Erme Valley Survey data (GIS and Excel spreadsheet). GIS ShapeFile. Digital.

Associated Monuments

MDV5113Related to: Blacklane Brook/Wollake tin mill (Monument)
MDV103562Related to: Enclosures and hut circle east of Wollake (Monument)
MDV103953Related to: Tinner's Hut on east side of River Erme at southern end of Erme Plains, Harford (Building)

Associated Finds: none recorded

Associated Events

  • EDV8082 - Survey of the Upper Erme Valley

Date Last Edited:Jan 17 2020 12:26PM