Northmoor Lock

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Northmoor Lock
Waterway River Thames
County Oxfordshire
Maintained by Environment Agency
Operation Manual
First built 1896
Length 34.59 m (113 ft 6 in) [1]
Width 4.59 m (15 ft 1 in)[1]
Fall 1.24 m (4 ft 1 in)[1]
Above sea level 203'
Distance to
Teddington Lock
Northmoor Lock
River Thames
navigable to Duxford Ford
Shifford Lock
River Windrush
A415 New Bridge
Hart's Footbridge
Northmoor Lock & weir
River Thames

Northmoor Lock is a lock on the River Thames in Oxfordshire, England, on the northern bank about a mile from Northmoor.

The lock was built in 1896 by the Thames Conservancy to replace a flash lock at Hart's Weir, also known as Ridge's Weir, about a mile upstream and another at Ark Weir downstream. The lock house, lock and weir are relatively little changed since they were built and they can be viewed as a group from the Thames Path and from the river

The weir is just the other side of the lock island and is one of only two remaining complete paddle and rhymer (or rimer) manually operated weirs. It is thought that there are no other such weirs in the world.

Access to the lock[edit]

The lock is remote from the village of Northmoor and some distance walk across country. The weir can be reached from Appleton, which is an equal distance away on the opposite bank. It can also be reached by the Thames Path from Bablock Hythe and Newbridge.

Reach above the lock[edit]

Along the reach is the Hart's Weir Footbridge on the site of the old weir. Further along, the river is crossed by the 13th century Newbridge at the confluence of the River Windrush.

The Thames Path follows the northern bank to Newbridge, and then crosses over and continues on the south bank to Shifford. There it crosses again, over the old course of the river, to Shifford Lock and then crossed the lock cu towards Chimney Meadows.

See also[edit]

Next lock upstream River Thames Next lock downstream
Shifford Lock
7.63 km (4.74 mi) [2]
Northmoor Lock
Grid reference: SP431021
Pinkhill Lock
6.21 km (3.86 mi)[2]


  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. ^ a b "Environment Agency Distances between locks on the River Thames". web page. Environmental Agency. 8 November 2012. Retrieved 19 November 2012.  Distances given in km

External links[edit]

Coordinates: 51°42′58″N 1°22′39″W / 51.71598°N 1.37754°W / 51.71598; -1.37754