|Location||Lochaber, Highland, Scotland|
|Primary inflows||River Pattack|
|Primary outflows||River Spean|
|Max. length||7 mi (11 km)|
|Max. width||0.66 mi (1.06 km)|
|Surface area||216.5 ha (535 acres)|
|Average depth||68 ft (21 m)|
|Max. depth||174 ft (53 m)|
|Water volume||5,600,000,000 cu ft (160,000,000 m3)|
|Shore length1||5.7 km (3.5 mi)|
|Surface elevation||248 m (814 ft)|
|1 Shore length is not a well-defined measure.|
Loch Laggan is a freshwater loch situated approximately 6.5 mi (10.5 km) to the west of Dalwhinnie in the Scottish Highlands. The loch has an irregular shape, runs nearly northeast to southwest and is approximately 7 mi (11 km) in length. It has an average depth of 68 ft (21 m) and is 174 ft (53 m) at its deepest. The eastern end of the loch features the largest freshwater beach in Britain. Since 1934 Loch Laggan has been a reservoir, retained behind the Laggan Dam, forming part of the Lochaber hydro-electric scheme. At the northeast end of the loch is the hamlet of Kinloch Laggan.
The loch was surveyed on 2 and 3 of June 1902 by Sir John Murray, T.R.N. Johnston, James Parsons and James Murray and was later charted as part of the Bathymetrical Survey of Fresh-Water Lochs of Scotland 1897-1909.
The loch featured in the popular BBC series Monarch of the Glen as Loch Bogle.
Loch Laggan (mostly its castle) is featured in the Temeraire series of novels, being used as a base to raise dragons, because of geothermal heat sources.
|Wikimedia Commons has media related to Loch Laggan.|
- "Loch Laggan". British lakes. British Lakes. Retrieved 12 June 2016.
- "Bathymetrical Survey of the Fresh-Water Lochs of Scotland, 1897-1909, Lochs of the Lochy Basin". National Library of Scotland. Retrieved 12 June 2016.
- "Record Details - Loch Laggan Hydro Electric Dam". Highland Historic Environment Record. Highland Council. Retrieved 30 August 2013.
- "Loch Laggan and Lochan na H-Earba (Vol. 4, Plate 85), Bathymetrical Survey, 1897-1909". National Library of Scotland. Retrieved 12 June 2016.
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