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HER Number:MDV62525
Name:Nun's Cross tunnel


Nun's Cross tunnel. The original tunnel apparently utilised several existing adits of Nun's Cross Mine and ran between arched granite portals at SX60736973 and SX60166987.


Grid Reference:SX 606 697
Map Sheet:SX66NW
Admin AreaDartmoor National Park
Civil ParishDartmoor Forest
DistrictWest Devon
Ecclesiastical ParishLYDFORD

Protected Status

  • SHINE: Extensive earthwork and structural remains of the late 18th century Devonport Leat, Bronze Age features north-east of Nun’s Cross, Whiteworks Tin Mine and other tinning remains on Walkhampton Common as well as earthworks of Bachelors Hall Mine

Other References/Statuses

  • Old DCC SMR Ref: SX66NW/85/2
  • SHINE Candidate (Yes)

Monument Type(s) and Dates

  • TUNNEL (XIX to XXI - 1850 AD to 2011 AD (Between))

Full description

Trueman, M., 2000, Water and Sewage Step 3 Assessment (Report - non-specific). SDV288012.

Nun's Cross tunnels. Original tunnel apparently utilised several existing adits of Nun's Cross Mine. The resulting flow was apparently sluggish. It was replaced by the excavation of a new tunnel following a lower course in approximately 1850. The eastern entry of the original tunnel is approached by a disused channel running from SX60886985 to a stone wall (presumably the tunnel entrance) at SX60636978. The c.1850 tunnel runs between arched granite portals at SX60736973 and SX60166987. The latter opens onto a steep cutting, to the north of which is a ruined hut (SX60166991), that was apparently adopted by the leat cutters as a workshop (PRN 13184).

Sources / Further Reading

SDV288012Report - non-specific: Trueman, M.. 2000. Water and Sewage Step 3 Assessment. English Heritage Monuments Protection Programme Step 3 Report. Unknown.

Associated Monuments

MDV13184Related to: BUILDING in the Parish of Walkhampton (Building)
MDV63090Related to: MINE in the Parish of Walkhampton (Monument)
MDV113773Related to: Nun's Cross Farmstead, Dartmoor Forest (Monument)
MDV5096Related to: Nun's Cross, Walkhampton Common (Monument)
MDV15150Related to: Ruined farmhouse at Nun's Cross Farm, Dartmoor Forest (Building)
MDV19902Related to: The Devonport Leat, Dartmoor (Monument)

Associated Finds: none recorded

Associated Events: none recorded

Date Last Edited:Jun 12 2018 4:28PM