Hanham Lock is a canal lock situated on the River Avon, at the village of Hanham near

Bristol Bristol () is a city, ceremonial county and unitary authority in England. Situated on the River Avon, it is bordered by the ceremonial counties of Gloucestershire to the north and Somerset to the south. Bristol is the most populous city in ...

, England. The Bristol Avon Navigation, which runs the from the Kennet and Avon Canal at Hanham Lock to the Bristol Channel at Avonmouth, was constructed between 1724 and 1727, following legislation passed by Queen Anne, by a company of proprietors and the engineer

John Hore John HoreAlternative spellings of Hore's surname include "Hoar" and "Hoare" (baptised 13 March 1680 – 12 April 1763Other sources give Hore's year of birth as 1690, and year of death as 1762) was an English engineer, best known for making the Ri ...

of Newbury. The first cargo of 'Deal boards, Pig-Lead and Meal' arrived in Bath in December 1727. The navigation is now administered by the

Canal & River Trust The Canal & River Trust (CRT), branded as in Wales, holds the guardianship of 2,000 miles of canals and rivers, together with reservoirs and a wide range of heritage buildings and structures, in England and Wales. Launched on 12 July 2012, the ...

. Hanham Lock is the first lock east of Netham where boats leave the Bristol

Floating Harbour Bristol Harbour is the harbour in the city of Bristol, England. The harbour covers an area of . It is the former natural tidal river Avon through the city but was made into its current form in 1809 when the tide was prevented from going out perm ...

. A

weir A weir or low head dam is a barrier across the width of a river that alters the flow characteristics of water and usually results in a change in the height of the river level. Weirs are also used to control the flow of water for outlets of l ...

carries the river and boats use the adjacent lock. It is numbered as 1 and is officially the first on the Kennet and Avon Canal. It opened in 1727 and there used to be a colliery wharf just west of the lock, however the mines closed in the 19th century. The river below Hanham Lock is considered to be tidal, as high tides often pass over the weir at Netham. Some spring tides will also pass over the weir here, making the river tidal up to

Keynsham Lock Keynsham Lock is a canal lock situated on the River Avon at Keynsham, England. The Bristol Avon Navigation, which runs the from the Kennet and Avon Canal at Hanham Lock to the Bristol Channel at Avonmouth, was constructed between 1724 and 1 ...

. The canal superintendent's house was built here, now a Grade II

listed building In the United Kingdom, a listed building or listed structure is one that has been placed on one of the four statutory lists maintained by Historic England in England, Historic Environment Scotland in Scotland, in Wales, and the Northern Irel ...

; it is called "Picnic House". In front of this house once stood Hanham Mills, an archway over the towpath being all that remained of the mills until 1897, when the Hanham Abbotts Parish Church had the archway demolished due to its poor state of repair. Just above the lock are some permanent and visitor moorings and two

pubs A pub (short for public house) is a kind of drinking establishment which is licensed to serve alcoholic drinks for consumption on the premises. The term ''public house'' first appeared in the United Kingdom in late 17th century, and was ...

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