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HER Number:MDV62535
Name:Tunnel carrying the Devonport Leat near Chubb Tor


Built to avoid the leat running too close to the Plymouth Leat. Indicated on the 19th century historic maps.


Grid Reference:SX 517 657
Map Sheet:SX56NW
Admin AreaDartmoor National Park
Civil ParishBuckland Monachorum
DistrictWest Devon
Ecclesiastical ParishBUCKLAND MONACHORUM

Protected Status

  • SHINE: Earthwork and structural remains of the World War II RAF Harrowbeer airfield, as well as medieval fields and farms, industrial tin working, sections of the Devonport and Plymouth Leats, and part of the Plymouth and Dartmoor Tramway on Roborough Down

Other References/Statuses

  • Old DCC SMR Ref: SX56NW/77/8
  • SHINE Candidate (Yes)

Monument Type(s) and Dates

  • TUNNEL (Constructed, XVIII to XIX - 1795 AD to 1802 AD (Between))

Full description

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

Area of the tunnel is indicated on the late 19th century historic map.

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

Unchanged from the previous map depiction.

Trueman, M., 2000, Water and Sewage Step 3 Assessment, 26/5/2000 (Report - non-specific). SDV288012.

Runs from SX51826581 to SX51756561. Intact. Built to avoid being too close to the Plymouth Leat.

Historically important feature, 18th century water supply serving Devonport. Majority of route survives, part in use (serving Burrator reservoir), part redundant. Numerous surviving componants (including weirs, aqueducts, tunnels). Of clear and high archaeological importance. Also group value with Drake's Leat and Burrator reservoir.

Ordnance Survey, 2018, MasterMap 2018 (Cartographic). SDV360652.

Depicted on the modern mapping.

Sources / Further Reading

SDV288012Report - non-specific: Trueman, M.. 2000. Water and Sewage Step 3 Assessment. English Heritage Monuments Protection Programme Step 3 Report. WIM.I. A4 Unbound. 26/5/2000.
SDV325644Cartographic: Ordnance Survey. 1904 - 1906. Second Edition Ordnance Survey 25 inch Map. Second Edition Ordnance Survey 25 inch Map. Map (Digital).
SDV336179Cartographic: Ordnance Survey. 1880-1899. First Edition Ordnance 25 inch map. First Edition Ordnance Survey 25 inch Map. Map (Digital).
SDV360652Cartographic: Ordnance Survey. 2018. MasterMap 2018. Ordnance Survey Digital Mapping. Digital. [Mapped feature: #111635 ]

Associated Monuments

MDV19902Related to: The Devonport Leat, Dartmoor (Monument)

Associated Finds: none recorded

Associated Events: none recorded

Date Last Edited:Mar 25 2019 12:10PM