Waltham Common Lock

Waltham Common Lock
Downstream of the lock
Waterway	River Lee Navigation
County	Hertfordshire Essex
Maintained by	British Waterways
Operation	Manual
Length	85 feet (25.9 m)
Width	16 feet (4.9 m)
Fall	4 feet 10 inches (1.5 m)
Distance to Bow Creek	13.5 miles (21.7 km)
Distance to Hertford Castle Weir	12.8 miles (20.6 km)
Coordinates	51°41′55″N 0°01′07″W / 51.698596°N 0.018561°W / 51.698596; -0.018561Coordinates: 51°41′55″N 0°01′07″W / 51.698596°N 0.018561°W / 51.698596; -0.018561

Waltham Common Lock (No 10) is a lock on the River Lee Navigation at Waltham Cross. The lock is located in the River Lee Country Park which is part of the Lee Valley Park and stands close to the Showground site now known as the Broxbourne White Water Canoe Centre - venue of the 2012 Olympics canoeing event. ^[1] At the tail of the lock is the Powdermill Cut dug in 1806 to connect the Waltham Abbey Royal Gunpowder Mills directly to the then-new Navigation.^[2]

The Powdermill Cut

Public access

Car parking is available at Windmill Lane, Cheshunt. Pedestrian and cycle access is via the towpath that forms part of the Lea Valley Walk. The area is served by Cheshunt railway station.

Next lock upstream	River Lee Navigation	Next lock downstream
Cheshunt Lock 1.0 mile	Waltham Common Lock Grid reference: TL3691901892	Waltham Town Lock 1.0 mile

Locks and Weirs on the River Lea, England

Counties	Bedfordshire Hertfordshire Essex Greater London

Locks	Hertford Lock Ware Lock Hardmead Lock Stanstead Lock Feildes Weir Lock Dobbs Weir Lock Carthagena Lock Aqueduct Lock Cheshunt Lock Waltham Common Lock Waltham Town Lock Rammey Marsh Lock Enfield Lock Ponder's End Lock Pickett's Lock Stonebridge Lock Tottenham Lock Pond Lane Flood Gates Old Ford Lock Bow Locks

Weirs	Horns Mill Weir Hertford Castle Weir Hartham Weir Ware Weir Feildes Weir Dobbs Weir Carthagena Weir Kings Weir Newmans Weir Middlesex Filter Beds Weir

Hertford Union Canal (branch from Hackney Cut)	Hertford Union Bottom Lock No. 3 Hertford Union Middle Lock No. 2 Hertford Union Top Lock No. 1 Regent's Canal

Limehouse Cut (branch, at Bow Locks)	Bromley Stop Lock Britannia Stop Lock Limehouse Basin

Bow Back Rivers (branches of the Old River Lea)	Three Mills Lock City Mill Lock Carpenter's Road Lock (Under restoration, est. completion March 2017) Marshgate Lane Lock (defunct) Three Mills Wall River Weir (These rivers form the waterways within the 2012 Olympic Park - they flow into Bow Creek)

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