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HER Number:MDV110024
Name:Weir on Holy Brook below Langaford Bridge,


Weir at the head of the former leat to Holne Corn Mill.


Grid Reference:SX 707 685
Map Sheet:SX76NW
Admin AreaDartmoor National Park
Civil ParishHolne
DistrictSouth Hams
Ecclesiastical ParishHOLNE

Protected Status: none recorded

Other References/Statuses: none recorded

Monument Type(s) and Dates

  • WEIR (XVIII to XIX - 1750 AD to 1880 AD (Between))

Full description

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

Sluice marked, at the head of the Mill Leat to Holne Corn Mill.

Passmore, A., 2004, Holne Mill Weir, 27 (Ground Photograph). SDV357817.

Slide showing weir from left bank.

Exeter Archaeology, 2005, An Archaeological Survey of Weirs in the River Dart Catchment. Draft Report, Ex. Arch. No. 16, Appendix 2: No. 51 (Report - Survey). SDV356906.

Holne Corn Mill Weir. Watercourse: Holy Brook. Historic function: Served Holne Corn Mill.
The leat is first depicted on the Holne Tithe Map of circa 1839.
Weir at right angles to the stream with the leat on the left bank. Circa 2.0 metres long with a gentle gradient. Constructed of granite blocks laid in rows across the stream, all underwater. There is void in the stonework at the based on the weir. It is unclear as to whether this is damage or a deliberate construction technique to form a salmon leap.
Adjacent to the weir the stream is retained by drystone walls of granite and local metamorphic stone. That on the left bank also forms a lining to the right bank at the head of the leat and contains a socket, possibly for a sluice gate at is eastern end, 8.0 metres from the river.
The weir is in good condition and does not appear to have been repaired using modern materials. No management issues are identified for the weir.
The leat is no longer in use and is in poor condition.

Ordnance Survey, 2015, MasterMap (Cartographic). SDV357601.

Sluices marked.

Sources / Further Reading

SDV336179Cartographic: Ordnance Survey. 1880-1899. First Edition Ordnance 25 inch map. First Edition Ordnance Survey 25 inch Map. Map (Digital).
SDV356906Report - Survey: Exeter Archaeology. 2005. An Archaeological Survey of Weirs in the River Dart Catchment. Draft Report. Exeter Archaeology Report. Digital. Ex. Arch. No. 16, Appendix 2: No. 51.
SDV357601Cartographic: Ordnance Survey. 2015. MasterMap. Ordnance Survey Digital Mapping. Digital. [Mapped feature: #2545 ]
SDV357817Ground Photograph: Passmore, A.. 2004. Holne Mill Weir. Exeter Archaeology River Dart Catchment Weirs Survey. 27.

Associated Monuments

MDV7841Related to: Holne Corn Mill (Building)
MDV80435Related to: Holne Mill Leat (Monument)
MDV128958Related to: Ruined pound house, Hawson (Monument)

Associated Finds: none recorded

Associated Events

  • EDV6538 - Archaeological Survey of Weirs in the River Dart Catchment

Date Last Edited:Oct 12 2020 3:24PM