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Field Visit
Date 2010
Event ID 881982
Category Recording
Type Field Visit
Permalink http://canmore.org.uk/event/881982
This dam is located 13 km below the natural outlet of the loch, and thus raised its level to provide flow regulation and a degree of storage for Fasnakyle power station (see separate listing). The reservoir is supplemented by water from Mullardoch dam at the top of Glen Strathfarrar (see separate item) which passes though an underground power station before entering Loch Beinn a Mhedoin upstream of Bennevean dam. The water level in the loch is closely controlled to ensure that the level remains virtually constant, ensuring that the scenic amenity of the upper Glen Affric is affected as little as possible. The outlet to Fasnakyle power station is controlled by the intake gatehouse located adjacent to the upstream face of the dam. The dam is located at a narrow section of the former river bed, specifically designed to be hard to see because of the concerns over visual amenity during the development of the scheme. The dam is of relatively standard type, with a fixed spillway and central buttress sweeping up to form part of the control gate tower. The large gatehouse adjacent to the upstream face of the dam is of relatively standard design with a cantilevered section supported by round concrete piers above the tunnel intake and trash screen. PL Payne, 1988, 5; E Wood, 2002, 38; J Miller, 2002.
