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Aerial photograph showing Gairlochy East and West Locks and Gairlochy Lighthouse, Caledonian Canal
SC 1676125
Description Aerial photograph showing Gairlochy East and West Locks and Gairlochy Lighthouse, Caledonian Canal
Date 1985
Collection RCAHMS Aerial Photography
Catalogue Number SC 1676125
Category On-line Digital Images
Copy of A 36773
Scope and Content Aerial view, Gairlochy Regulating Lock, Caledonian Canal, Highland, from west This shows the regulating lock (top), completed in 1813, and the west lock (right), built in 1844. A swing bridge spans the canal at the entrance to the basin from the west lock and the lock-keeper occupied the two-storeyed building with the hipped roof (centre). Gairlochy Lighthouse (top left) guards the entrance to the canal from Loch Lochy and Mucomir Cut (top right) leads into the River Lochy. There has always been a risk of flooding at this point due to the volume of water in Loch Lochy and the close proximity of the River Lochy. In order to reduce this risk Mucomir Cut was created but unfortunately this proved inadequate and in 1834 the river burst its banks. The regulating lock, already rebuilt in 1826, was rebuilt again in 1843, with the 1844 lock being constructed to the west. The Caledonian Canal was designed by Thomas Telford (1757-1834) and built between 1803 and 1822 at a cost of £840,000. It was the first example of a transport network funded by the government in Great Britain. The 96.5km-long canal provides a route for boats travelling between the North Sea and Atlantic Ocean as it runs from the Beauly Firth at Clachnaharry, Inverness, to Loch Linnhe at Corpach. Only 35.4km of this length is man-made while the other 61km runs through four lochs: Loch Dochfour, Loch Ness, Loch Oich and Loch Lochy. Unfortunately, at 4.2m deep, the canal was too small for most sea-going ships which led to it being altered and deepened between 1844 and 1847. Source: RCAHMS contribution to SCRAN.
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