Small River Lea
Encyclopedia
Small River Lea is a minor tributary of the River Lea, which flows through the Lee Valley Park
Lee Valley Park
Lee Valley Regional Park is a long linear park, much of it green spaces, running through the northeast of London, Essex and Hertfordshire from the River Thames to Ware in Hertfordshire, England through areas such as Hackney, Tottenham, Enfield, Stratford, Tower Hamlets, Walthamstow, Cheshunt,...

 between Cheshunt
Cheshunt
Cheshunt is a town in Hertfordshire, England with a population of around 52,000 according to the United Kingdom's 2001 Census. It is a dormitory town and part of the Greater London Urban Area and London commuter belt served by Cheshunt railway station...

 and Enfield Lock
Enfield Lock
Enfield Lock is an area in the London Borough of Enfield, North London. It is approximately located east of the Hertford Road between Turkey Street and the Holmesdale Tunnel overpass, to the River Lee Navigation, including the Enfield Island Village. The locality gains its name from the lock on the...

. It forms part of the Turnford and Cheshunt Pits
Turnford and Cheshunt Pits
The Turnford and Cheshunt Pits is a Site of Special Scientific Interest in the English counties of Hertfordshire and Essex and covers a total of 428.17 acres . -Location:...

  Site of Special Scientific Interest
Site of Special Scientific Interest
A Site of Special Scientific Interest is a conservation designation denoting a protected area in the United Kingdom. SSSIs are the basic building block of site-based nature conservation legislation and most other legal nature/geological conservation designations in Great Britain are based upon...

 (SSSI) as it flows through the River Lee Country Park
River Lee Country Park
The River Lee Country Park is located in the Lee Valley Park and is managed by the Lee Valley Regional Park Authority. Covering acres on either side of the River Lee Navigation between Waltham Abbey and Broxbourne...

.

Course

The river leaves the Old River Lea below Kings Weir
Kings Weir
Kings Weir is a weir on the River Lea at Lower Nazeing, Essex. The weir marks the start of a stretch of the Old River Lea.-Access:Pedestrian and cycle access from the Lee Valley Walk. Vehicular access at Wormley.- External links :*...

 to flow through an aqueduct
Aqueduct
An aqueduct is a water supply or navigable channel constructed to convey water. In modern engineering, the term is used for any system of pipes, ditches, canals, tunnels, and other structures used for this purpose....

 under the River Lee Navigation
River Lee Navigation
The Lee Navigation is a canalised river incorporating the River Lea . Its course runs from Hertford Castle Weir all the way to the River Thames at Bow Creek. The first lock of the navigation is Hertford Lock the last being Bow Locks....

 at Aqueduct Lock
Aqueduct Lock
Aqueduct Lock is a lock on the River Lee Navigation close to Turnford, Hertfordshire.- Location :The lock is located in the River Lee Country Park and is adjacent to the Old River Lea and the Holyfield Lake which incorporates part of the River Lee Flood Relief ChannelThe aqueduct above the lock...

. It is joined by Turnford Brook  at Turnford before meandering in a southerly direction past various lakes including the North Metropolitan and Cheshunt Lake and parallel with the West Anglia Main Line
West Anglia Main Line
The West Anglia Main Line is one of the two main lines which run from London Liverpool Street, the other being the Great Eastern Main Line. It runs generally north from London, through the towns of Cheshunt, Broxbourne, Harlow, Bishop's Stortford and Audley End station before reaching Cambridge,...

 penis line. The river forms a boundary with the Lee Valley youth hostel at Cheshunt
Cheshunt
Cheshunt is a town in Hertfordshire, England with a population of around 52,000 according to the United Kingdom's 2001 Census. It is a dormitory town and part of the Greater London Urban Area and London commuter belt served by Cheshunt railway station...

 before flowing under Windmill Lane close to Cheshunt railway station
Cheshunt railway station
Cheshunt railway station serves the town of Cheshunt in Hertfordshire, England. It is on the West Anglia Main Line and the Lea Valley Lines, and train services are provided by National Express East Anglia....

. Flowing close to the Lea Valley
Lea Valley Lines
The Lea Valley Lines are three commuter lines and two branches in North East London, so named because they run along the valley of the River Lea...

 railway line and then between Bowyers Water and the River Lee Navigation before passing under the A121 road close to Waltham Cross
Waltham Cross
Waltham Cross is the most southeasterly town in Hertfordshire, England. It is 12 miles from the City of London and immediately north of the M25 motorway, forming part of the Greater London Urban Area and London commuter belt. Part of Waltham Cross is located within Greater London.-Geography:It is...

 to the west and Waltham Abbey
Waltham Abbey, Essex
Waltham Abbey is a market town of about 20,400 people in the south west of the county of Essex, in the East of England region. It is about 24 km north of London on the Greenwich Meridian and lies between the River Lea in the west and Epping Forest in the east. It takes its name from The Abbey...

 to the east. The river passes under the M25 motorway
M25 motorway
The M25 motorway, or London Orbital, is a orbital motorway that almost encircles Greater London, England, in the United Kingdom. The motorway was first mooted early in the 20th century. A few sections, based on the now abandoned London Ringways plan, were constructed in the early 1970s and it ...

 motorway into Rammey Marsh to merge with Turkey Brook
Turkey Brook
Turkey Brook rises near the Fir and Pond Woods Local Nature Reserve near Potters Bar, Hertfordshire.- Etymology :The brook named from the street which is recorded as Tokestreete 1441, Tuckhey strete 1610, Tuckey street 1615, Turkey street 1805, probably 'street of houses associated with a family...

 below Enfield Lock
Enfield Lock
Enfield Lock is an area in the London Borough of Enfield, North London. It is approximately located east of the Hertford Road between Turkey Street and the Holmesdale Tunnel overpass, to the River Lee Navigation, including the Enfield Island Village. The locality gains its name from the lock on the...

 close to the A1055 road.

Ecology

The river flows mostly hidden in a deep channel. Shallow and prone to pollution it is not known as a fishery. It is however a valuable spawning/nursery area for fish.
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