Hardmead Lock

Hardmead Lock
Hardmead Lock
Waterway	River Lee Navigation
County	Hertfordshire
Maintained by	British Waterways
Operation	Manual
Length	85 feet (25.9 m)
Width	16 feet (4.9 m)
Fall	5 feet 6 inches (1.7 m)
Distance to Bow Creek	22.5 miles (36.2 km)
Distance to Hertford Castle Weir	3.8 miles (6.1 km)
Coordinates	51°48′07″N 0°00′52″W / 51.801911°N 0.014371°W / 51.801911; -0.014371Coordinates: 51°48′07″N 0°00′52″W / 51.801911°N 0.014371°W / 51.801911; -0.014371

Hardmead Lock (No3) is a lock on the River Lee Navigation at Great Amwell close to the town of Ware.

The lock has a reputation as being difficult to negotiate. ^[1]

Location

The lock-keeper's cottage stands on an island formed by a section of the River Lee Flood Relief Channel which flows through an automatic sluice gate adjacent to the lock. ^[2]

To the east of the lock is the Amwell Quarry nature reserve a Site of Special Scientific Interest (SSSI) ^[3] and a section of the Old River Lea known as the Amwell Magna Fishery where it merges with its tributary the River Ash .

The New River flows close by to the west.

The lock is located on the River Lee Navigation towpath which is part of the Lea Valley Walk

Next lock upstream	River Lee Navigation	Next lock downstream
Ware Lock 2.5 miles	Hardmead Lock Grid reference: TL3689513388	Stanstead 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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