| Neptune's Staircase | |
|---|---|
 Aerial view from the west | |
 | |
| Waterway | Caledonian Canal |
| Maintained by | Scottish Canals |
| Operation | Hydraulic |
| First built | 1811 |
| Length | 180 feet (55 m) |
| Width | 40 feet (12 m) |
| Fall | 64 feet (20 m) |
| Staircase of 8 locks | |
Neptune's Staircase (grid reference NN113769) is a staircase lock comprising eight locks on the Caledonian Canal. Built by Thomas Telford between 1803 and 1822, it is the longest staircase lock in Britain. The system was originally hand-powered but has been converted to hydraulic operation.