Monkey Marsh Lock

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{{Use British English|date=February 2018}}

File:Monkey-Marsh-lock-by-John-Lloyd.jpg, the bridge in the distance leading to Thatcham railway station level crossing.]]

Monkey Marsh Lock is a lock on the Kennet and Avon Canal, at Thatcham, Berkshire, England.

Monkey Marsh Lock was built between 1718 and 1723 under the supervision of the engineer John Hore of Newbury. The canal is administered by Canal & River Trust. The lock has a rise/fall of 8 ft 8 in (2.64 m).{{cite book |last=Pearson |first=Michael |title=Kennet & Avon Middle Thames:Pearson's Canal Companion |year=2003 |publisher=Central Waterways Supplies|location=Rugby |isbn=0-907864-97-X}}

One of only two remaining working examples of turf sided locks on the canal (the other being Garston Lock{{cite web|last=Shead|first=Jim|title=All Change for the K&A|url=http://www.jim-shead.com/waterways/Articles.php?wpage=46|work=Waterways Information|access-date=26 October 2010}}) of more than a dozen originally, Monkey Marsh Lock is listed as an ancient monument by English Heritage

{{cite book |title=Waterways Guide 7: River Thames & the Southern Waterways |year=2006 |publisher=Nicholson|isbn=978-0-00-721115-9}}{{cite web | title=MONKEY MARSH LOCK | work=Arts and Humanities Data Service | url=http://ads.ahds.ac.uk/catalogue/search/fr.cfm?rcn=EHNMR-652342|access-date=2009-06-14}}