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Site Records

Subterranea Scotia

Quoich Power Station

Quoich Power Station sign

OS Grid Ref: NH 10717 01186
Date opened: 1955
Date closed : Operational




Quoich dam dominates the view from a considerable distance:

Quoich Dam

Photo: Quoich Dam
Photo by: Mike Ross


A closer view of the massive rockfill structure:

Quoich Dam

Photo: Quoich Dam
Photo by: Mike Ross



This shot shows the small compensation water power station at the toe of the dam, and also gives a good impression of the massive scale of masonry:

Quoich Dam

Photo: Quoich Dam
Photo by: Mike Ross


At the North end of the dam is the spillway - since water can't be allowed to spill over the top of a rockfill dam, it would erode it:

Quoich Dam

Photo: Quoich Dam
Photo by: Mike Ross


Turning left from the above viewpoint, we see the rear face of the dam, with the concrete slab membrane which covers it, making the structure waterproof, and the valve tower for the culverts which run under the dam to the compensation water power station and disperser valve:

Quoich Dam

Photo: Quoich Dam
Photo by: Mike Ross



Turning left again from the above viewpoint, to look downstream, we see the spillway channel cut through the solid rock, running down to the river in the glen below:

Quoich Dam

Photo: Quoich Dam
Photo by: Mike Ross


Looking back from the roadway over the crest of the dam gives a good view of the intake structure on the shore of the loch - the smaller structure is the screen rake, the larger building is the gatehouse:

Quoich Dam

Photo: Quoich Dam
Photo by: Mike Ross


An older view of the rear face of the dam, taken from the intake:

Quoich Dam

Photo: Quoich Dam
Photo by: Mike Ross



An older view of the intake, with the water level considerably lower - it's still a long way down to the mouth of the tunnel:

Quoich Dam

Photo: Quoich Dam
Photo by: Mike Ross



An archive view of Quoich dam, just after it was completed:

Quoich Dam

Photo: Quoich Dam
Illustration by: Scanned by Mike Ross, from Water Power, June 1959



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Last updated 6th May 2006
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