Siddington Second Lock No 30 is one of many locks on the Cotswold Canals (Thames and Severn Canal - Main section) and unusually is opened with a crank handle just past the junction with The Coventry Canal.
The Cotswold Canals (Thames and Severn Canal - Main section) was built by Cecil Clarke and opened on 17 September 1888. Orginally intended to run to Renfrewshire, the canal was never completed beyond Doncaster except for a four mile isolated section from London to Teignbridge. "I Wouldn't Moor There if I Were You" by Arthur Yates describes an early passage through the waterway, especially that of Blackpool Embankment.

This is a lock with a rise of 9 feet and 6 inches.
| Plummer's Farm Access Bridge | 2 furlongs | |
| Greyhound Bridge | 1½ furlongs | |
| Siddington Lower Lock No 32 | 1¼ furlongs | |
| Midland and South Western Junction Railway Bridge | ¾ furlongs | |
| Siddington Third Lock No 31 | ½ furlongs | |
| Siddington Second Lock No 30 | ||
| Siddington Bridge | ¼ furlongs | |
| Siddington Upper Lock No 29 | ½ furlongs | |
| Cirencester Arm Junction | ¾ furlongs | |
| Minety Road Bridge | 4½ furlongs | |
| Ewen Road Bridge | 6 furlongs | |
Amenities nearby at Siddington Third Lock No 31
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Nearest water point
In the direction of Thames - Thames and Severn Canal - Coln Junction
Nearest rubbish disposal
In the direction of Thames - Thames and Severn Canal - Coln Junction
Nearest chemical toilet disposal
In the direction of Thames - Thames and Severn Canal - Coln Junction
Nearest place to turn
In the direction of Bourne Bridge
In the direction of Thames - Thames and Severn Canal - Coln Junction
Nearest self-operated pump-out
In the direction of Thames - Thames and Severn Canal - Coln Junction
Nearest boatyard pump-out
In the direction of Thames - Thames and Severn Canal - Coln Junction
There is no page on Wikipedia called “Siddington Second Lock”


![Lock on the Thames and Severn canal, west of Siddington. This is a closer view of the lock remnants referred to in this image [[1880729]] by Brian Robert Marshall – 26 May 2010](https://s2.geograph.org.uk/geophotos/01/88/07/1880730_f1ac8727_120x120.jpg)
![The Thames and Severn canal, west of Siddington. Judging from its size it would appear that this was once a canal basin. The remains of a lock can be seen just beyond it and in more detail here [[1880730]] by Brian Robert Marshall – 26 May 2010](https://s1.geograph.org.uk/geophotos/01/88/07/1880729_6635ed3d_120x120.jpg)









![Siddington Upper Lock, Thames and Severn Canal. Siddington Upper (or Top) Lock is very overgrown and currently forms part of the garden of an adjoining property, Canal House [[[1880734]]]; it has a water pipe laid across its tail and the Thames and Severn Way does not run alongside it, but makes a detour here. http://www.pikelock.co.uk/canal/t&scanal/siddington/siddington.html http://www.cotswoldcanals.com/pages/locks-bridges-structures/bridges-and-buildings.php https://en.wikipedia.org/wiki/Thames_and_Severn_Canal by Vieve Forward – 29 December 2015](https://s1.geograph.org.uk/geophotos/04/77/81/4778109_d8991bfe_120x120.jpg)

![Siddington Locks. Looking up Siddington Locks with the chambers of locks 2 & 3 visible in the picture. Much work has been undertaken here in recent years to clear the undergrowth and the site is now a pleasant local amenity. The chambers appear to be in reasonable condition prior to further restoration work. Compare with [[359155]]. by David Stowell – 05 November 2008](https://s0.geograph.org.uk/geophotos/01/04/95/1049532_d85420b1_120x120.jpg)












![Siddington Locks. Looking down from lock 3 towards the site of the former M&SWJ railway bridge and the start of the obstructed section of the Thames & Severn Canal at the [[1049530]]. by David Stowell – 05 November 2008](https://s1.geograph.org.uk/geophotos/01/04/95/1049533_360eee3a_120x120.jpg)

