The Hertford Union Canal or Duckett's Cut, just over 1 mile (1.6 km) long, connects the Regent's Canal to the Lee Navigation in the London Borough of Tower Hamlets in East London.^[1] It was opened in 1830 but quickly proved to be a commercial failure. It was acquired by the Regents Canal Company in 1857, and became part of the Grand Union Canal in 1927.^[2]

Quick Facts Specifications, Maximum boat length ...

Hertford Union Canal
Junction of Hertford Union Canal and River Lee Navigation
Specifications
Maximum boat length	72 ft 0 in (21.95 m)
Maximum boat beam	14 ft 0 in (4.27 m)
Locks	3
Status	Navigable
Navigation authority	Canal and River Trust
History
Original owner	Sir George Duckett
Principal engineer	Francis Giles
Date of act	1824
Date completed	1830
Geography
Start point	Regent's Canal
End point	Lee Navigation
Route map

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Legend
River Lee Navigation 3 Old Ford Bottom Lock Wansbeck Road  A12  East Cross Route Cadogan Terrace 2 Old Ford Middle Lock 1 Old Ford Top Lock  B118  Old Ford Road  A1205  Grove Road Regent's Canal

Like its 1766 predecessor, the Limehouse Cut, the Hertford Union Canal was intended to provide a short-cut between the River Thames and the River Lee Navigation. It allowed traffic on the Lea heading for the Thames to bypass the tidal, tortuous and often silted Bow Back Rivers of the Lea via a short stretch of the Regent's Canal, and provided a short-cut from the Lea to places west along the Regent's Canal.

The canal was promoted by Sir George Duckett who succeeded in obtaining an Act of Parliament that gained its Royal Assent on 17 May 1824, entitled An Act for making and maintaining a navigable Canal from the River Lee Navigation, in the parish of St. Mary Stratford Bow, in the county of Middlesex, to join the Regent's Canal at or near a Place called Old Ford Lock, in the parish of St. Matthew Bethnal Green, in the said county of Middlesex.^[3] The Act authorised Duckett to borrow up to £50,000 to fund construction, and to charge tolls for using the canal, initially one shilling (£0.05) per ton of goods carried.^[3]

With Francis Giles appointed as engineer, the canal opened in 1830 and was for some years known as Duckett's Canal or Duckett's cut (or passage). It was not a commercial success, and within a year offers to waive the tolls were being made. For several years around the 1850s it was unnavigable, as a dam was built across it to prevent the Regent's Canal losing water to it. After failed attempts to sell it in 1851, it was eventually acquired by the Regent's Canal Company and became a branch of that canal on 28 October 1857. The new owners removed the dam, and deepened and widened the channel.^[4] When the Grand Union Canal Company came into existence on 1 January 1929, it became part of that network. Today, it is maintained by the Canal & River Trust.

The canal starts at Hertford Union Junction between Mile End Lock and Old Ford Lock on the Regent's Canal. It passes along the north of Bow Wharf, redeveloped in the 1990s with shops and bars, and after Grove Road, passes south of Lakeview Estate, completed in 1958. For much of the rest of its route it is bounded on the north by Victoria Park. The canal joins the Lee Navigation just above Old Ford Lock.

Many of the associated locks, bridges and other features around the canal date from the canal's opening in 1830, and are designated listed structures within a scheduled monument.

The locks on this canal have been collectively named Old Ford Three Locks,^[5] all lying within the district of Old Ford, but are now individually known as Hertford Union Top, Middle and Bottom locks. They are grouped together towards the north-eastern end, and descend approximately 19 feet (5.8 m) from the Regent's Canal to the Lee Navigation. They are all single manual locks, and the largest craft that can use them have a length of 72 feet and a beam of 14 feet.^[6]

Proceeding west to east, the locks are:

The nearest London Overground stations are Cambridge Heath at the western end or Hackney Wick at the eastern end.

The canal towpath is open to walkers and cyclists, without permit. At its eastern end, the towpath joins the Lea Valley Walk. At Hackney Wick, the Capital Ring crosses the canal; with section 13 proceeding north-west toward Stoke Newington^[14] and section 14, south-east via The Greenway towards Beckton District Park.^[15] The towpath forms part of the "Limehouse Circuit" commencing at Limehouse Basin and utilising the Limehouse Cut, Lee Navigation, Regent's Canal and Hertford Union in a circular five-mile walk.

The Olympic Park was constructed to the east of the Lee Navigation. During the games, the Cut was closed to navigation and used for mooring visiting craft. In the legacy phase of the 2012 Summer Olympics, there is promised access to the Olympic Park and Bow Back Rivers.

• Canals of the United Kingdom
• History of the British canal system