Osney Lock

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Osney Lock
OsneyLock01.JPG
Osney Lock and derelict Osney Mill buildings from the south
Waterway River Thames
County Oxfordshire
Maintained by Environment Agency
Operation Hydraulic
First built 1790
Latest built 1905
Length 34.64 m (113 ft 8 in) [1]
Width 5.25 m (17 ft 3 in)[1]
Fall 1.89 m (6 ft 2 in)[1]
Above sea level 185'
Distance to
Teddington Lock
93 miles
Osney Lock
River Thames
weir
weir
Godstow Lock
Seacourt Stream
--(to King's Lock)
Oxford Canal
Castle Mill Stream
Sheepwash Channel
Oxford station
A420 Botley Road
Osney Lock and mill
moorings
Bulstake Stream
Osney Rail Bridge
A4144 Folly Bridge
River Cherwell
Railway bridge
weir
B4495 Donnington Bridge
Iffley Lock and rollers
Hinksey Stream
A423(T) Isis Bridge
River Thames

Osney Lock is a lock on the River Thames in Oxford, England, where the village or island of Osney is next to the river.

The first lock was built of stone by Daniel Harris for the Thames Navigation Commission in 1790.[2]

Beside the lock to the southern side is Osney pool beside which is an Environment Agency base for maintaining the river. The weir is upstream alongside the navigation channel in two parts and feeds the Osney pool.

To the south and southwest are Osney Mill Marina and Osney Cemetery. Oxford railway station on the Botley Road is close by to the northwest.

History[edit]

Osney Lock from the north

The main navigation channel was formerly on the branch of the river known as Bulstake Stream further west.[3] The present stream was developed in mediaeval times by the monks of Osney Abbey on the west side of the island then known as Osney, to serve as a millstream for Osney Mill, in a manner similar to that at Abingdon. There was an ancient weir, the property of the Abbey on the site, and a pound lock was first considered in 1787. The stream became the main navigation channel when the lock was built in 1790. Daniel Harris used prisoner labour from Oxford jail to give the cheapest quote for the work.[4] The last rebuilding of the lock was in 1905.

Access to the lock[edit]

The lock can be reached a short way down the towpath from Osney Bridge on the A420 Botley Road on the way west out of the centre of Oxford.

Reach above the lock[edit]

The river passes a former electricity generating station and is crossed by Osney Bridge near Oxford railway station. On the eastern bank are built up parts of Oxford. After a stretch of allotments on the western bank and the backs of houses on the eastern bank there is the curious water crossroads - "Four Rivers". This provides a link to the Oxford Canal via the Sheepwash Channel[5] in one direction and there is Bulstake Stream in the other direction. The river runs through willow banks until it reaches Fiddler's Island. There used to be a weir and flash lock here; now there is the rainbow shaped Medley Footbridge crossing the main channel. On the other side of the island is Castle Mill Stream, an old navigation channel that runs to the east closer to the centre of Oxford rejoining the Thames below the lock. On the eastern bank is the open ground of Port Meadow as far as Wolvercote.

There are navigation transit markers alongside Port Meadow upstream of Medley Boat station, to allow river users to check their speed. A powered boat should not pass between the markers in under one minute.

The Thames Path crosses to the Oxford side at Osney Bridge and then crosses Fiddler's Island and Medley Footbridge returning to the western bank to continue to Godstow Lock.

Oxford shows its back to the river below Four Rivers
Port Meadow looking upstream from Medley Footbridge

See also[edit]

Sources[edit]

  • Davies, Mark; Robinson, Catherine (2003) [2001]. A Towpath Walk in Oxford. Oxford: Oxford Towpath Press. ISBN 0-9535593-1-9. 
  • Thacker, Fred. S. (1968) [1920]. The Thames Highway: Volume II Locks and Weirs. Newton Abbot: David and Charles. 


External links[edit]

Next lock upstream River Thames Next lock downstream
Godstow Lock
3.87 km (2.40 mi) [6]
Osney Lock
Grid reference: SP504058
Iffley Lock
3.73 km (2.32 mi)[6]

Coordinates: 51°44′55″N 1°16′17″W / 51.74864°N 1.27135°W / 51.74864; -1.27135

References[edit]

  1. ^ a b c "Environment Agency Dimensions of locks on the River Thames". web page. Environmental Agency. 8 November 2012. Retrieved 17 November 2012.  Dimensions given in metres
  2. ^ Davies & Robinson, 2003, pages 76-77
  3. ^ Crossley, Alan; Elrington, C.R. (eds.); Chance, Eleanor; Colvin, Christina; Cooper, Janet; Day, C.J.; Hassall, T.G.; Selwyn, Nesta (1979). A History of the County of Oxford, Volume 4: Communications. Victoria County History. 
  4. ^ Thacker, 1920/1968, page 114-116
  5. ^ "River Thames (Sheepwash Channel)". UK: CanalPlanAC. Retrieved 15 September 2012.  External link in |publisher= (help)
  6. ^ a b "Environment Agency Distances between locks on the River Thames". web page. Environmental Agency. 19 November 2012. Retrieved 20 November 2012.  Distances given in km