Stanstead Lock
| Stanstead Lock | |
|---|---|
| The lock, lock-keeper's house and swing-bridge | |
| 51°47′27″N 0°00′00″E / 51.790953°N 0.000131°E | |
| Waterway | River Lee Navigation | 
| County | Hertfordshire | 
| Maintained by | Canal & River Trust | 
| Operation | Manual | 
| Length | 85 feet (25.9 m) | 
| Width | 16 feet (4.9 m) | 
| Fall | 8 feet 4 inches (2.5 m) | 
| Distance to Bow Creek | 21.5 miles (34.6 km) | 
| Distance to Hertford Castle Weir | 4.8 miles (7.7 km) | 
Stanstead Lock (No4) is a lock on the River Lee Navigation close to the villages of Stanstead Abbotts and St Margarets. The lock which incorporates a rare example of a swing-bridge, has the reputation of being one of the country's most difficult to negotiate.