Hertford Lock

Hertford Lock
The lock and lock-keeper's cottage
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	7 feet 11 inches (2.4 m)
Distance to Bow Creek	26.3 miles (42.3 km)
Distance to Hertford Castle Weir	0.8 miles (1.3 km)
Geographical Data

Hertford Lock (No1) is a lock situated on the River Lea on the eastern side of Hartham Common, Hertford in the English county of Hertfordshire. It is owned and managed by British Waterways and is the first lock of the River Lee Navigation.

Public access

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

Next lock upstream	River Lee Navigation	Next lock downstream
None	Hertford Lock Grid reference: TL3328013501	Ware Lock 0.5 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, below Old Ford)	Old Ford Lower Lock · Old Ford Middle Lock · Old Ford Upper Lock · 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 (defunct) · Marshgate Lane Lock (defunct) · Three Mills Wall River Weir (These rivers form the waterways within the 2012 Olympic Park - they flow into Bow Creek)