Carthagena Lock (No7) is a lock on the River Lee Navigation at Broxbourne

Carthagena Lock
Below the lock
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51°44′37″N 0°00′08″W / 51.743566°N 0.002108°W / 51.743566; -0.002108
WaterwayRiver Lee Navigation
CountyHertfordshire
Essex
Maintained byCanal & River Trust
OperationManual
Length85 feet (25.9 m)
Width16 feet (4.9 m)
Fall5 feet (1.5 m)
Distance to
Bow Creek
17.5 miles (28.2 km)
Distance to
Hertford Castle Weir
8.8 miles (14.2 km)

Location

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Directly behind the lock is Carthagena Weir part of a fishery which also includes two lakes and a section of the Old River Lea.

To the east of the lock is the Nazeing Mead complex of lakes which incorporate part of the River Lee Flood Relief Channel.

Public access

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Vehicular access via B194 Nazeing New Road

Pedestrian and cycle access via the towpath which forms part of the Lea Valley Walk

There is a water point for boats. The tap is in the lock.

Public transport

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Next lock upstream River Lee Navigation Next lock downstream
Dobbs Weir Lock
0.8 mile
Carthagena Lock
Grid reference: TL3791806924
Aqueduct Lock
2.0 miles