Itchen Navigation
Encyclopedia
The Itchen Navigation is an approximately 10 mile long disused canal
Canal
Canals are man-made channels for water. There are two types of canal:#Waterways: navigable transportation canals used for carrying ships and boats shipping goods and conveying people, further subdivided into two kinds:...

 system in Hampshire
Hampshire
Hampshire is a county on the southern coast of England in the United Kingdom. The county town of Hampshire is Winchester, a historic cathedral city that was once the capital of England. Hampshire is notable for housing the original birthplaces of the Royal Navy, British Army, and Royal Air Force...

, England
England
England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

, that provided an important trading route from Winchester
Winchester
Winchester is a historic cathedral city and former capital city of England. It is the county town of Hampshire, in South East England. The city lies at the heart of the wider City of Winchester, a local government district, and is located at the western end of the South Downs, along the course of...

 to the sea at Southampton
Southampton
Southampton is the largest city in the county of Hampshire on the south coast of England, and is situated south-west of London and north-west of Portsmouth. Southampton is a major port and the closest city to the New Forest...

 for about 150 years. The canal was opened in 1710 but had fallen into disuse by 1869. It provided an important method of moving goods, particularly agricultural
Agriculture
Agriculture is the cultivation of animals, plants, fungi and other life forms for food, fiber, and other products used to sustain life. Agriculture was the key implement in the rise of sedentary human civilization, whereby farming of domesticated species created food surpluses that nurtured the...

 produce and coal
Coal
Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers or veins called coal beds or coal seams. The harder forms, such as anthracite coal, can be regarded as metamorphic rock because of later exposure to elevated temperature and pressure...

 between the two cities and the intervening villages. On its completion it was capable of taking shallow barge
Barge
A barge is a flat-bottomed boat, built mainly for river and canal transport of heavy goods. Some barges are not self-propelled and need to be towed by tugboats or pushed by towboats...

s of around 14 feet in width and 70 feet in length. Its waters are fed from the River Itchen
River Itchen, Hampshire
The River Itchen is a river in Hampshire, England. It flows from mid-Hampshire to join with Southampton Water below the Itchen Bridge in the city of Southampton. The river has a total length of , and is noted as one of England's - if not one of the World's - premier chalk streams for fly fishing,...

, which also forms part of the navigation itself. The tow path alongside the canal forms part of the Itchen Way
Itchen Way
The Itchen Way is a long-distance footpath following the River Itchen in Hampshire, England, from its source near Hinton Ampner House to its mouth at Woolston. The walk finishes at Sholing railway station. The route has been promoted by the Eastleigh Group of the Ramblers with grant aid from...

, and is a popular destination for walkers.

Construction

The River Itchen had been commercially important since Norman
Normans
The Normans were the people who gave their name to Normandy, a region in northern France. They were descended from Norse Viking conquerors of the territory and the native population of Frankish and Gallo-Roman stock...

 times, and Winchester's status as the capital city
Capital City
Capital City was a television show produced by Euston Films which focused on the lives of investment bankers in London living and working on the corporate trading floor for the fictional international bank Shane-Longman....

 of England was partly due to this link to the sea. Construction of the canal was authorised by an Act of Parliament
Act of Parliament
An Act of Parliament is a statute enacted as primary legislation by a national or sub-national parliament. In the Republic of Ireland the term Act of the Oireachtas is used, and in the United States the term Act of Congress is used.In Commonwealth countries, the term is used both in a narrow...

 in 1665, although completion took over 50 years. The canal was designed as a combination of artificial cut ways together with sections of the River Itchen that were already navigable. At one point a link was proposed to the Basingstoke Canal
Basingstoke Canal
The Basingstoke Canal is a British Canal, completed in 1794, built to connect Basingstoke with the River Thames at Weybridge via the Wey Navigation....

, however this was never started.

Route

The official head of the canal starts at Winchester, marked by a simple stone bridge. It flows past the grounds of Winchester College
Winchester College
Winchester College is an independent school for boys in the British public school tradition, situated in Winchester, Hampshire, the former capital of England. It has existed in its present location for over 600 years and claims the longest unbroken history of any school in England...

 before being diverted through a culvert under the M3 motorway. Originally this was a full headroom tunnel, but saw substantial changes during the construction of this section of the M3. The canal passes Twyford Down
Twyford Down
Twyford Down is a small area of ancient chalk downland lying directly to the southeast of Winchester, Hampshire, England. The down's summit, known as Deacon Hill, is towards the north-eastern edge of the area which is renowned for its dramatic rolling scenery, ecologically rich grassland and as a...

, and continues South flowing past the village of Twyford
Twyford, Hampshire
For other places of the same name, see Twyford.Twyford is a village and civil parish in Hampshire, England, approximately three miles south of Winchester and near the M3 motorway and Twyford Down. In 2001, the population of the parish was 1,456...

. Here a weir
Weir
A weir is a small overflow dam used to alter the flow characteristics of a river or stream. In most cases weirs take the form of a barrier across the river that causes water to pool behind the structure , but allows water to flow over the top...

 marks the remains of one of the 15 turf locks
Lock (water transport)
A lock is a device for raising and lowering boats between stretches of water of different levels on river and canal waterways. The distinguishing feature of a lock is a fixed chamber in which the water level can be varied; whereas in a caisson lock, a boat lift, or on a canal inclined plane, it is...

 that were originally incorporated into the system. A leat
Leat
A leat is the name, common in the south and west of England and in Wales, for an artificial watercourse or aqueduct dug into the ground, especially one supplying water to a watermill or its mill pond...

 from this stretch was created at around the time of the construction of the canal to provide water for the Twyford Mead water meadows. Farming of the water meadows continued until around 1930, after the closure of the navigation itself. The canal flows on past Compton and Shawford
Compton and Shawford
Compton and Shawford is a civil parish in the City of Winchester, Hampshire, England. The word compton means village in a combe and aptly describes the settlement as it primarily consists of a long street on the side of a chalk valley....

 then through to Bishopstoke
Bishopstoke
Bishopstoke, a village recorded in the Domesday Book, is a civil parish in the borough of Eastleigh in Hampshire, England. Bishopstoke was also mentioned when King Alfred the Great's grandson King Eadred, granted land at "Stohes" to Thegn Aelfric in 948 AD. The village is about a mile east of...

. Eventually the canal merges into the River Itchen as it approaches the Solent
Solent
The Solent is a strait separating the Isle of Wight from the mainland of England.The Solent is a major shipping route for passengers, freight and military vessels. It is an important recreational area for water sports, particularly yachting, hosting the Cowes Week sailing event annually...

.

The map shows the navigation in deep blue, (or green for the drained section), in order to distinguish it from the river, shown in light blue. Deep blue is normally used to represent navigable waterways, but is used here for clarity.

Closure and restoration

Eventually newer technologies of road
Road
A road is a thoroughfare, route, or way on land between two places, which typically has been paved or otherwise improved to allow travel by some conveyance, including a horse, cart, or motor vehicle. Roads consist of one, or sometimes two, roadways each with one or more lanes and also any...

 and rail
Rail transport
Rail transport is a means of conveyance of passengers and goods by way of wheeled vehicles running on rail tracks. In contrast to road transport, where vehicles merely run on a prepared surface, rail vehicles are also directionally guided by the tracks they run on...

 led to the canal falling into disuse. Lengths of the canal system were drained or allowed to overgrow with vegetation. Increasingly the difference between the canal and the river became less obvious, although it is still possible to identify remains of the original locks. In 2005 a request was made to the Heritage Lottery Fund
Heritage Lottery Fund
The Heritage Lottery Fund is a fund established in the United Kingdom under the National Lottery etc. Act 1993. The Fund opened for applications in 1994. It uses money raised through the National Lottery to transform and sustain the UK’s heritage...

 in the United Kingdom
United Kingdom
The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

 for funds to restore the watercourse. Known as The Itchen Navigation Heritage Trail Project, funding was granted and restoration is now underway. The navigation has been designated a European Special Area of Conservation
Special Area of Conservation
A Special Area of Conservation is defined in the European Union's Habitats Directive , also known as the Directive on the Conservation of Natural Habitats and of Wild Fauna and Flora...

 as well as a 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...

, due to the rich diversity of wildlife found along the system, as well as its historical importance.
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