St John's Lock, below the town of
Lechlade
Lechlade () is a town at the southern edge of the Cotswolds in Gloucestershire, England, south of Birmingham and west of London. It is the highest point at which the River Thames is navigable, although there is a right of navigation that contin ...
,
Gloucestershire
Gloucestershire ( abbreviated Glos) is a county in South West England. The county comprises part of the Cotswold Hills, part of the flat fertile valley of the River Severn and the entire Forest of Dean.
The county town is the city of Gl ...
, is the furthest upstream
lock
Lock(s) may refer to:
Common meanings
*Lock and key, a mechanical device used to secure items of importance
*Lock (water navigation), a device for boats to transit between different levels of water, as in a canal
Arts and entertainment
* ''Lock ...
on the
River Thames
The River Thames ( ), known alternatively in parts as the River Isis, is a river that flows through southern England including London. At , it is the longest river entirely in England and the second-longest in the United Kingdom, after the ...
in England. The name of the lock derives from a
priory
A priory is a monastery of men or women under religious vows that is headed by a prior or prioress. Priories may be houses of mendicant friars or nuns (such as the Dominicans, Augustinians, Franciscans, and Carmelites), or monasteries of ...
that was established nearby in 1250, but which no longer exists. The lock was built of stone in 1790 by the
Thames Navigation Commission
The Thames Navigation Commission managed the River Thames in southern England from 1751 to 1866. In particular, they were responsible for installing or renovating many of the locks on the river in the 18th and early 19th centuries
History
The ...
.
The main weir is downstream, just below
St John's Bridge, where the
River Cole and the
River Leach
The River Leach is a river tributary to the River Thames, in England which runs mostly in Gloucestershire. It is approximately 18 miles (29 km) long, springing from the limestone uplands of the Cotswolds. In parts of its course it becomes a ...
join the Thames on opposite banks.
A statue of Old Father Thames by
Raffaelle Monti
Raffaele Monti (often misspelled Rafaelle or Raffaelle; Milan 1818–1881) was an Italian sculptor, author and poet.
Born in Milan, he studied under his father, the noted sculptor Gaetano Matteo Monti, in the Imperial Academy. At the age of o ...
is outside the lock house. The statue was commissioned in 1854 for
The Crystal Palace
The Crystal Palace was a cast iron and plate glass structure, originally built in Hyde Park, London, to house the Great Exhibition of 1851. The exhibition took place from 1 May to 15 October 1851, and more than 14,000 exhibitors from around ...
's grounds, was later moved to the traditional source of the Thames at
Thames Head
Thames Head is a group of seasonal springs that arise near the village of Coates in the Cotswolds, about three miles south-west of the town of Cirencester, in the county of Gloucestershire, England. The spring water comes from the limestone aq ...
, and then in 1974 relocated to St John's Lock. The statue is Grade II
listed
Listed may refer to:
* Listed, Bornholm, a fishing village on the Danish island of Bornholm
* Listed (MMM program), a television show on MuchMoreMusic
* Endangered species in biology
* Listed building, in architecture, designation of a historical ...
.
History
The need for a pound lock here arose from the opening of the
Thames and Severn Canal
The Thames and Severn Canal is a canal in Gloucestershire in the south-west of England, which was completed in 1789. It was conceived as part of a cargo route from Bristol and the Midlands to London, linking England's two largest rivers for bett ...
upstream in November 1789. It was built by J. Nock in 1790, and in its early days complaints were made of tolls being evaded by bullying bargemen. The first lock house was built in 1830, the lock-keeper being required to give up residence at the Trout Inn in accordance with Commission's rule that lock-keepers should not be publicans. The lock was reported to be in a poor state by 1857 and in 1867 was repaired. In 1905 the lock was rebuilt and a new lock-keeper's bungalow built on the other side of the lock.
Access to the lock
The lock can be reached easily from St John's Bridge which is about a mile out of Lechlade on the
A417 road
The A417 is a main road in England running from Streatley, Berkshire to Hope under Dinmore, Herefordshire. It is best known for its section between Cirencester and Gloucester where it has primary status and forms part of the link between the ma ...
.
Reach above the lock

The river winds for three quarters of a mile to Lechlade, where it passes under
Halfpenny Bridge
Halfpenny Bridge is a bridge across the River Thames, at Lechlade, Gloucestershire, England. The bridge and its toll house are a Grade II listed building.
It marks the start of the navigable Thames, although if the waters are high, the Tham ...
(or Ha'penny Bridge), which is so named because it was once a toll bridge. Half a mile after Lechlade there is a connection to the former
Thames and Severn Canal
The Thames and Severn Canal is a canal in Gloucestershire in the south-west of England, which was completed in 1789. It was conceived as part of a cargo route from Bristol and the Midlands to London, linking England's two largest rivers for bett ...
, which linked the Thames to the
River Severn
, name_etymology =
, image = SevernFromCastleCB.JPG
, image_size = 288
, image_caption = The river seen from Shrewsbury Castle
, map = RiverSevernMap.jpg
, map_size = 288
, map_ ...
via the
Stroudwater Navigation
The Stroudwater Navigation is a canal in Gloucestershire, England which linked Stroud to the River Severn. It was authorised in 1776, although part had already been built, as the proprietors believed that an Act of Parliament obtained in 173 ...
and the
Gloucester and Sharpness Canal
The Gloucester and Sharpness Canal (also known as the Gloucester and Berkeley Canal) is a ship canal in the west of England, between Gloucester and Sharpness; for much of its length it runs close to the tidal River Severn, but cuts off a sign ...
. The Thames and Severn Canal is the subject of a restoration plan, and so navigation beyond Lechlade may one day be possible again. The
River Coln
The River Coln is a river in Gloucestershire, England. It rises to the north of Brockhampton, a village to the east of Cheltenham, and flows in a south/south-easterly direction through the Cotswold Hills via Andoversford, Withington, Foss ...
also joins the Thames at the canal junction, where there is sufficient room to wind a 70 ft narrowboat with care. There are no more locks upstream on the River Thames, with Lechlade normally considered to be the end of the navigable river, but there is a right of navigation as far as
Cricklade
Cricklade is a town and civil parish on the River Thames in north Wiltshire, England, midway between Swindon and Cirencester. It is the first downstream town on the Thames. The parish population at the 2011 census was 4,227.
History
Cricklade ...
, and small craft may be able to travel for a further three miles beyond Lechlade when there is plenty of water.
The
Thames Path
The Thames Path is a National Trail following the River Thames from its source near Kemble in Gloucestershire to the Woolwich foot tunnel, south east London. It is about long. A path was first proposed in 1948 but it only opened in 1996.
The ...
follows the remaining towpath along the southern bank past Lechlade to
Inglesham
Inglesham is a small village and civil parish in the Borough of Swindon, Wiltshire, England, notable for the Grade-I listed St John the Baptist Church. The village is just off the A361 road about south-west of Lechlade in Gloucestershire ...
, extending as far as the connection with the now disused Thames and Severn Canal, one and a half miles upstream.
See also
*
Locks on the River Thames
The English River Thames is navigable from Cricklade (for very small, shallow boats) or Lechlade (for larger boats) to the sea, and this part of the river falls 71 meters (234 feet). There are 45 locks on the river, each with one or mor ...
External links
The River Thames — St John's Lock
References
{{Coord, 51.68932, -1.68025, type:landmark_region:GB_source:enwiki-osgb36(SU222990), display=title
Locks on the River Thames
Tourist attractions in Gloucestershire
Personifications of rivers