| Marsh Lock | |
|---|---|
 Marsh Lock from the upstream walkway with the weir on the left | |
 | |
| Waterway | River Thames |
| County | Berkshire |
| Maintained by | Environment Agency |
| Operation | Hydraulic |
| First built | 1773 |
| Latest built | 1914 |
| Length | 41.19 m (135 ft 2 in) [1] |
| Width | 6.42 m (21 ft 1 in)[1] |
| Fall | 1.33 m (4 ft 4 in)[1] |
| Above sea level | 105' |
| Distance to Teddington Lock | 46 miles |
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Marsh Lock is a lock and weir situated on the River Thames in England, about 1 mile upstream of Henley Bridge in Henley-on-Thames, Oxfordshire. The lock is close to the Berkshire bank, but accessed from the Oxfordshire side via two long walkways, the downstream one being near Mill Meadows. The first pound lock was built by the Thames Navigation Commission in 1773.
The weir consists of a series of iron watergates running from the lock to the Oxfordshire bank near the mills. It is situated between the two walkways.
- ^ a b c "A User's Guide to the River Thames" (PDF). PDF file. Environmental Agency. 2009. pp. 29–30. Archived from the original (PDF) on 28 December 2013. Retrieved 12 November 2012. Dimensions given in metres.