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Loch Loyne Dam

Dam (Period Unassigned)

Site Name Loch Loyne Dam

Classification Dam (Period Unassigned)

Alternative Name(s) Great Glen Hydroelectric Scheme

Canmore ID 312944

Site Number NH20NW 4

NGR NH 20041 07959

Datum OSGB36 - NGR


Ordnance Survey licence number 100057073. All rights reserved.
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Administrative Areas

  • Council Highland
  • Parish Urquhart And Glenmoriston
  • Former Region Highland
  • Former District Inverness
  • Former County Inverness-shire


Field Visit (2010)

Loch Loyne provides a secondary catchment for the northern section of the Greta Glen scheme, feeding water via a tunnel to Cluanie Dam (see separate item). The dam is of relatively low profile with a fixed spillway and dispersal valve. An internal gallery gives access to the valve-house when the dam is on spill or dispersal valve is open. The valve-house also houses a compensation set with the tailrace providing water to the river. The comp set is deeply recessed to maximise the available head in what is otherwise a relatively shallow dam. The dam is of a relatively small scale and of predominantly standard design. PL Payne, 1988, 5; E Wood, 2002, 38; J Miller, 2002.

Note (20 September 2011)

This mass gravity dam of 1956 is 1800 feet in length (548.64 m) and is still in use.

PL Payne, 1988, 152

Information from RCAHMS (MMD) 20 September 2011


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