Corpach Locks and Basin, Flight of locks at Caledonian Canal, Scotland.
Corpach Locks and Basin is a lock system at the western end of the Caledonian Canal, consisting of a sea lock, a basin, and two masonry chambers. The installation connects Loch Linnhe with the waters beyond by raising or lowering vessels to match changing water levels.
Construction of this lock system was completed in 1822 as part of the Caledonian Canal under engineer Thomas Telford's leadership. This project opened a crucial waterway that allowed vessels to pass through the Scottish Highlands without traveling around the coast.
This place shows visitors how boats were once moved between different water levels through a series of connected chambers. Watching vessels pass through the locks remains a common sight today, offering a living demonstration of historical engineering methods still in use.
The site is easily viewed from the shoreline, with good vantage points to watch the locks in operation. The best time to visit is in calmer weather when boat traffic is more regular and the process is easier to follow.
A lighthouse stands at the locks, an unusual feature for an inland waterway. This unexpected structure has guided ships arriving from Loch Linnhe since the canal's early days.
Location: Highland
Location: Kilmallie
Part of: Caledonian Canal
GPS coordinates: 56.84210,-5.12098
Latest update: December 6, 2025 19:07
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