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Grand Union Canal - Main Line – Lock 46 - Hatton, Warwick, UK
Posted by: Groundspeak Premium Member ntpayne
N 52° 17.953 W 001° 39.043
30U E 592007 N 5795176
Quick Description: This is lock 46 on the Main Line of the Grand Union Canal
Location: West Midlands, United Kingdom
Date Posted: 4/27/2017 6:56:00 AM
Waymark Code: WMVK0K
Published By: Groundspeak Premium Member dtrebilc
Views: 0

Long Description:
This is lock 46 on the Main Line of the Grand Union Canal and is on the 21 lock Hatton flight. This lock is known as Hatton Top lock.

The Hatton flight locks are all double width, broad beam locks of approximately 14’ 6” width with a total rise of 146’ 6” over about two miles. The flight was originally built as a single lock flight but the current locks were added when the Grand Union canal was formed in 1929 to speed up the traffic. The single locks are still in place and are used as overspill weirs.

The Grand Union Canal Main Line runs for 137 miles through 166 locks from Brentford on the River Thames to Salford Junction in the north east of Birmingham. All the locks are double width locks except the final 11 locks in Birmingham. The first double width locks heading south from Birmingham are those on the Knowle flight.

As mentioned above, the double width locks were originally single width locks and they were replaced in 1929/30 by the double width locks to make traffic flow faster once the Grand Union Canal was formed. Evidence of the old single width locks can be seen at most locks even today. Indeed some are used for boat moorings, paint shops, service pods etc.

The Grand Union Canal was formed in 1929 from many separate canal systems. The Main Line itself was formed from the following four canals:

- Birmingham & Warwick Junction Canal (Salford to Bordesley)
- Warwick & Birmingham Canal (Bordesely to Warwick)
- Warwick & Napton Canal (Warwick to Napton)
- Grand Junction Canal (Brentford to Braunston)

There is a five mile section from Braunston to Napton which is actually the Oxford canal. This section was never bought by the Grand Union Canal Company.


Today the Grand Union Canal consists of:

- Grand Union Main Line
- Grand Union Leicester Section
- River Soar
- Erewash Canal
- Northampton Arm
- Aylesbury Arm
- Wendover Arm
- Slough Arm
- Paddington Arm
Waterway Name: Grand Union Main Line

Connected Points:
The Grand Union Main Line links the River Thames in the south to the Tame Valley and Birmingham & Fazeley Canal at the northern end. As well as many arms and branches it links to the North Oxford Canal at Braunston and the South Oxford Canal at Napton. It also has a junction with the Digbeth Branch of the Birmingham & Fazeley Canal.


Type: Lock

Date Opened: 1/1/1929

Elevation Difference (meters): 2.00

Site Status: Operational

Web Site: [Web Link]

Date Closed (if applicable): Not listed

Visit Instructions:
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Recent Visits/Logs:
Date Logged Log User Rating  
ntpayne visited Grand Union Canal - Main Line – Lock 46 - Hatton, Warwick, UK 8/13/2015 ntpayne visited it