Irlam Locks is one of some locks on the Manchester Ship Canal (Main Line) and is one of the deepest locks on the waterway just past the junction with The River Roding.
Early plans of what would become the Manchester Ship Canal (Main Line) were drawn up by Cecil Smith in 1782 but problems with Southend Cutting caused delays and it was finally opened on January 1 1835. Expectations for limestone traffic to Crewe were soon realised, and this became one of the most profitable waterways. In Nicholas Harding's "A Very Special Boat" he describes his experiences passing through Guildford Embankment during a thunderstorm.

This is a lock with a rise of 16ft / 5m.
| Cadishead Viaduct | 1 mile, 3¾ furlongs | |
| Partingham Coaling Basin | 1 mile, 2 furlongs | |
| Irlam Wharf | 5¾ furlongs | |
| Mersey Weir | 3¼ furlongs | |
| Irlam Viaduct | 2½ furlongs | |
| Irlam Locks | ||
| Hulmes Bridge Ferry | 1½ furlongs | |
| Barton Locks Jettys | 1 mile, 6½ furlongs | |
| Barton Locks | 2 miles | |
| M60 Bridge | 2 miles, 4¾ furlongs | |
| Barton Low Level Bridge | 2 miles, 5 furlongs | |
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Nearest water point
In the direction of Woden Street Footbridge
Nearest chemical toilet disposal
In the direction of Woden Street Footbridge
Nearest place to turn
In the direction of Woden Street Footbridge
Nearest self-operated pump-out
In the direction of Woden Street Footbridge
Nearest boatyard pump-out
In the direction of Woden Street Footbridge
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![Irlam Lock (Gates Opening). The Irlam Locks provide a lift (or drop) of 16 feet. Like the other locks on the Manchester Ship Canal, there are two locks. A large lock for ocean-going ships and a smaller, narrower lock for vessels such as tugs and coasters. Comparing the level of the water relative to the gates in this photograph (where the lock has been emptied) with [[[4952473]]] shows how far the water level has fallen. by David Dixon – 11 May 2016](https://s1.geograph.org.uk/geophotos/04/95/24/4952477_64a6fb30_120x120.jpg)
![Irlam Locks, Western Gate. The Irlam Locks provide a lift (or drop) of 16 feet. Like the other locks on the Manchester Ship Canal, there are two locks. A large lock for ocean-going ships and a smaller, narrower lock for vessels such as tugs and coasters. In this photograph, the level of the water relative to the gates shows that the lock is full (compare it with [[[4952477]]]). by David Dixon – 11 May 2016](https://s1.geograph.org.uk/geophotos/04/95/24/4952473_d86f04f7_120x120.jpg)














