Laggan Dam

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Laggan Dam
Laggan Dam
Laggan Dam
Official name Laggan Dam
Impounds River Spean
Locale Scotland
Length 213m
Height 52m
Opening date 1934

Laggan Dam is a dam located on the River Spean south west of Loch Laggan in the Scottish Highlands. The dam is 700 feet (213 metres) long and rises 170 feet (52 metres) above its foundations. The structure was built by Balfour Beatty for the British Aluminium Company and construction was finished in 1934.

Water from the dam is conveyed to Loch Treig through 3 miles (4.8 km) of tunnel. From there, the waters are conveyed to a power house at Fort William via 15 feet (4.6 metre) diamater pipe 15 miles (24 km) long. The dam can be found next to the A86 road from Fort William. The catchment area of the dam was increased by an aqueduct which can be seen at the side of the road in Strath Mashie.

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