Allt na Lairige Dam

Allt na Lairige Dam, is a pre-stressed concrete dam in Argyll and Bute, Scotland at. It creates an impounding reservoir which serves Allt na Lairige hydro-electric power station, which is part of the Shira Hydro-Electric Scheme, and is located on the River Fyne just before it discharges into Loch Fyne.
The dam was designed by William George Nicholson Geddes, as directed by James Arthur Banks of Babtie, Shaw and Morton of Glasgow. Construction was carried out by Marples Ridgway. It was completed in 1956 and has a height of. It is the only large pre-stressed concrete dam in Britain.