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Neptune's Staircase is a flight of eight canal locks at Banavie in Argyllshire, Scotland, forming the most dramatic section of the Caledonian Canal. Completed in the early nineteenth century, the locks descend steeply from Banavie towards Loch Eil, raising or lowering vessels by a total of 64 feet. The stepped arrangement of masonry chambers, each capable of holding a substantial vessel, was an engineering solution to the challenging topography of the Highland landscape. The monument stands as a testament to early nineteenth-century canal construction technology and the ambition to create a navigable waterway across Scotland.
The locks rest upon bedrock comprising fault zone rocks with mylonitic and fault-breccia composition, reflecting the complex geological structure of this region. This fractured basement influenced both the canal's route and the construction requirements for the lock chambers. The exposed stonework and engineering remain largely intact, demonstrating the durability of period construction methods adapted to Highland conditions.
Neptune's Staircase has become one of the Caledonian Canal's most recognisable features, serving both recreational and heritage purposes. The monument is protected by Historic Environment Scotland under designation SM3530, reflecting its significance to Scotland's industrial and transport heritage.
Caledonian Canal,Neptune's Staircase,canal locks,Banavie is a scheduled monument protected by Historic Environment Scotland under reference SM3530. View the official record →
Neptune's Staircase is a flight of eight canal locks at Banavie in Argyllshire, Scotland, forming the most dramatic section of the Caledonian Canal. It is designated a Scheduled Ancient Monument by Historic Environment Scotland under reference SM3530.
Caledonian Canal,Neptune's Staircase,canal locks,Banavie is a Scheduled Ancient Monument, legally protected by Historic Environment Scotland — the body responsible for designating and safeguarding heritage sites in Scotland. The official designation reference is SM3530.
Several scheduled monuments lie within 10 km, including Caledonian Canal,Corpach to Banavie (0.8 km), Inverlochy Castle (1.7 km), Caledonian Canal,Corpach Locks and Basin (1.8 km).
This page is just one thread. A full Aubrey report pulls together 14 strands of Caledonian Canal,Neptune's Staircase,canal locks,Banavie's history, each drawn from the record and mapped to the exact spot:
Every location is different. Not every section appears for every place, only what the historical record actually holds turns up in a report.
Caledonian Canal,Neptune's Staircase,canal locks,Banavie stands on Fault Zone Rocks, Unassigned, bedrock that formed in the Age unknown. The rock here is mylonitic-rock and fault-breccia.