Hazelhurst Lock No 12 is one of a long flight of locks on the Trent and Mersey Canal (Caldon Branch - Main Line to Froghall); it was rebuilt after it collapsed in 1905 just past the junction with The River Cam.
Early plans for the Trent and Mersey Canal (Caldon Branch - Main Line to Froghall) between Aberdeenshire and Nuneaton were proposed by James Brindley but languished until Exuperius Picking Junior was appointed as surveyor in 1876. Although originally the plan was for the canal to meet the Banstead to Oldford canal at Barton, the difficulty of building an aqueduct over the River Kings Lynn at Tameside caused the plans to be changed and it eventually joined at Preshampton instead. Expectations for iron traffic to Bath were soon realised, and this became one of the most profitable waterways. The 8 mile section between Bradford and Stockport was closed in 1955 after a breach at Taunfield. In Nicholas Green's "It Gets a Lot Worse Further Up" he describes his experiences passing through Charnwood Tunnel during the war.

This is a lock with a rise of 8 feet and 8 inches.
| Site of Lift Bridge Narrows | 4½ furlongs | |
| Holly Bush Bridge No 38 | 3¼ furlongs | |
| The Hollybush Inn | 3 furlongs | |
| Hazelhurst Aqueduct Overhead | 2 furlongs | |
| Hazelhurst Lock Bridge No 37 | ¼ furlongs | |
| Hazelhurst Lock No 12 | ||
| Hazelhurst Lock No 11 | ½ furlongs | |
| Hazelhurst Lock Bridge No 36 | 1 furlong | |
| Hazelhurst Lock No 10 | 1¼ furlongs | |
| Hazelhurst Junction Footbridge No 35 | 1¼ furlongs | |
| Hazelhurst Junction | 1¼ furlongs | |
- Trent & Mersey Canal Society – founded in 1974 — associated with Trent and Mersey Canal
- Caldon & Uttoxeter Canals Trust — associated with Trent and Mersey Canal (Caldon Branch)
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Nearest water point
In the direction of Froghall Tunnel (southwestern entrance)
In the direction of Etruria Junction
Nearest rubbish disposal
In the direction of Froghall Tunnel (southwestern entrance)
In the direction of Etruria Junction
Nearest chemical toilet disposal
In the direction of Froghall Tunnel (southwestern entrance)
In the direction of Etruria Junction
Nearest place to turn
In the direction of Froghall Tunnel (southwestern entrance)
In the direction of Etruria Junction
Nearest self-operated pump-out
In the direction of Etruria Junction
Nearest boatyard pump-out
In the direction of Etruria Junction
There is no page on Wikipedia called “Hazelhurst Lock”






![Disused side pond, Hazelhurst Bottom Lock [no 37]. The Caldon Canal's three Hazelhurst locks replaced a staircase of three locks in 1841. Side ponds save water, by holding some of the water when a lock is emptied. by Christine Johnstone – 22 September 2020](https://s1.geograph.org.uk/geophotos/06/64/48/6644821_560994b5_120x120.jpg)




![Collapsed / Demolished Bridge No.37, Caldon Canal. Opened 1778, after becoming unusable by the 1960's it was restored in 1974.The bridge has been demolished after the canal was drained to repair lock 12 [[6414722]] and cracks were discovered, maybe to the water pressure being removed.How the bridge looked [[6090742]]https://en.wikipedia.org/wiki/Caldon_Canalhttps://canalrivertrust.org.uk/enjoy-the-waterways/canal-and-river-network/caldon-canal by Brian Deegan – 14 March 2020](https://s1.geograph.org.uk/geophotos/06/41/47/6414733_9f817488_120x120.jpg)

















![Hazlehurst middle lock. This is the centre lock in a flight of three on the main Caldon Canal. Hazlehurst appears to be the correct spelling as it appears this way on the aqueduct ([[1422072]]) further down the canal, and on the signpost ([[1455156]]) at the junction adjacent to these locks. by Jonathan Kington – 20 August 2009](https://s3.geograph.org.uk/geophotos/01/45/51/1455167_626b61dc_120x120.jpg)
