Dobbs Weir Lock
| Dobbs Weir Lock | |
|---|---|
| Looking north | |
| 51°45′09″N 0°00′12″E / 51.752395°N 0.003307°E | |
| Waterway | River Lee Navigation | 
| County | Hertfordshire Essex | 
| Maintained by | Canal & River Trust | 
| Operation | Manual | 
| Length | 85 feet (25.9 m) | 
| Width | 16 feet (4.9 m) | 
| Fall | 5 feet 1 inch (1.5 m) | 
| Distance to Bow Creek | 18.3 miles (29.5 km) | 
| Distance to Hertford Castle Weir | 8.0 miles (12.9 km) | 
Dobbs Weir Lock (No 6) is a lock on the River Lee Navigation near Hoddesdon.