Old River Lea

Old River Lea
Looking north east from its junction with the Navigation just below Old Ford Locks
Location
Country	United Kingdom
Physical characteristics

Source
• location	Lea Bridge

Mouth
• location	River Lee Navigation and Bow Back Rivers
• elevation	0 m (0 ft)
Length	3.2 km (2.0 mi)

The Old River Lea is the former natural channel of the River Lea below Lea Bridge, in the London Borough of Hackney. The Old River forms a large meander from the Middlesex Filter Beds Weir to rejoin the main channel of the River Lee Navigation below Old Ford Lock, just west of the 2012 Olympic stadium.

The natural channel is joined by the River Lee Flood Relief Channel, and Dagenham Brook and a number of subsidiary channels to form the semi-tidal Bow Back Rivers, discharging into Bow Creek.

The natural channel forms the boundary between the London Boroughs of Hackney and Waltham Forest; and forms the eastern boundary of Hackney Marshes, and historically the western boundary of Leyton Marshes.

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River Lea / Lee, England
Counties	Bedfordshire Essex Hertfordshire Greater London
Mouth	River Thames
Settlements	Leagrave Luton Harpenden Wheathampstead Welwyn Garden City Hertford Ware Stanstead Abbotts Hoddesdon Broxbourne Cheshunt Waltham Abbey Ponders End Edmonton Tottenham Upper Clapton Hackney Wick Stratford Bromley-by-Bow Canning Town Leamouth
Major tributaries	River Ash River Beane River Ching River Mimram River Moselle River Rib River Stort
Minor tributaries	Bayford Brook Broxbourne Mill Stream Cobbins Brook Coppermill Stream Cornmill Stream Cuffley Brook Dagenham Brook Hackney Brook Houghton Brook Knapps Brook Lewsey Brook Millhead Stream Pymmes Brook Rags Brook River Lynch Salmons Brook Small River Lea Spital Brook Theobalds Brook Turkey Brook Turnford Brook Woollens Brook Wormleybury Brook

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 Marshgate Lane Lock (defunct) Three Mills Wall River Weir (These rivers form the waterways within the 2012 Olympic Park - they flow into Bow Creek)

51°32′17″N 0°1′11″W / 51.53806°N 0.01972°W / 51.53806; -0.01972

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