Lee Navigation

Lee Navigation
Lee Navigation at Bow Creek
Map
Specifications
Length27.5 miles (44.3 km)
Maximum boat length88 ft 0 in (26.82 m)
Maximum boat beam15 ft 9 in (4.80 m)
Locks21
StatusOpen
Navigation authorityCanal & River Trust
History
Principal engineerThomas Yeoman
Other engineer(s)Edward Rubie
Date of act29 June 1767
Date completed1771
Geography
Start pointHertford Castle Weir
End pointRiver Thames
Branch(es)
Lee Navigation
Hertford Castle Weir
Hertford Town Mill Bridge
Folly Bridge
Hertford Basin
River Beane
Hertford Lock No.1
River Rib
New River Gauge House
 A10 
Ware Weir
Ware Lock No.2
Ware Visitor Moorings
 A1170  Ware Town Bridge
Hardmead Lock No.3
River Ash
Stanstead Lock No.4
(Swing Bridge over Lock)
 B181 
 A414 
Stort Navigation
Feildes Weir Lock No.5
New River continues down
Flood Relief Channel
Dobbs Weir
Flood Relief Channel sluice
Dobbs Weir Lock No.6
Nazeing Mead (lake)
River Lynch
Boating Lakes
Carthagena Lock No.7
52
New Nazeing Road Bridge
Flood Relief Channel
Broxbourne Mill
Kings Weir
49
Slipe Lane Bridge
Holyfield Lake
Aqueduct Lock No.8
Small River Lea
Cheshunt Lock No.9
Seventy Acres Lake (R)
Waltham Common Lock No.10
Powdermill Cut
Waltham Town Lock No.11
42
 A121  Waltham Town Bridge
Horsemill Stream sluice
40A
 M25 
Cobbins Brook
Rammey Marsh Lock No.12
40
Rammey Marsh Bridge
Cattlegate Flood Relief Channel
Enfield Lock No.13
37A
Enfield Road Bridge
Turkey Brook + Pumping Stn
King George's Reservoir
King George's Reservoir
Ponders End Mill Stream
35
 A110  Lea Valley Road Bridge
Ponder's End Locks No.14
William Girling Reservoir PS
River Lee Diversion
Pickett's Lock No.15
28
 A406  Bleak Hall Bridge
Banbury Reservoir
Stonebridge Locks No.16
Lockwood Reservoir
Maynard Reservoirs
Tottenham Locks No.17
River Lee Flood Relief Channel
24
 A503  Ferry Lane Bridge
23
Tottenham Railway Bridge
22
Markfield Railway Bridge
19A
Ferry Railway Bridge
18
 A104  Lea Bridge Road
Pond Lane Flood Gates No.18
17
 B112  Cow Bridge
14
 A12  East Cross Route Bridge
12
Hackney Wick Railway Bridge
11
White Post Lane Bridge + Halfway Bridge
Hertford Union Canal
Bow Back Rivers
Old Ford Locks No.19
London Stadium
District line Bridge
Bow Back Rivers
A11 Bow Bridge
Three Mills tide mill + Three Mills Lock
Bow Locks
Limehouse Cut + Bow Creek
 A13  Barking Road Bridge
Limehouse Basin
Limehouse Lock +  A1020 
River Thames

The Lee Navigation is a canalised river incorporating the River Lea (also called the River Lee along the sections that are navigable). It flows from Hertford Castle Weir to the River Thames at Bow Creek; its first lock is Hertford Lock and its last Bow Locks.