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Wicken Fen
Wicken Fen is a wetland nature reserve situated near the village of Wickenmarker, Cambridgeshire, Englandmarker.

It is one of Britain's oldest nature reserves, and was the first reserve acquired by the National Trust, in 1899. The reserve includes fenlandmarker, farmland, marsh, and reedbeds. Wicken Fen is one of only four wild fens which still survive in the enormous Great Fen Basin area of East Angliamarker: 99.9% of the former fens have now been replaced by arable cultivation.


Naturalists were originally drawn to Wicken because of its species richness and the presence of rarities. The Fen has therefore received a great deal of recording effort and huge species lists have accumulated. Many nationally rare species have been recorded. Indeed, in 1998 over 20 species new to the Fen were recorded for the first time and in 2005 another 10 were added. Many of these lists can be downloaded from the fen website (see below). It was established as a nature reserve because of its invertebrate and plant interest. Over 8,000 species have so far been recorded on the fen, including more than 125 that are included in the Red Data Book of rare invertebrates.


The reserve supports large numbers of fly, snail, spider and beetle species. Damselflies found here include the emerald, azure, large red, red-eyed, variable and common blue; together with dragonflies such as the southern and brown hawker, emperor, hairy dragonfly and black-tailed skimmer. The Lepidoptera fauna is very rich also, especially the moths, with over 1000 species. The nationally rare reed leopard moth is common at the site. Other local moths include cream-bordered green pea, yellow-legged clearwing and emperor. China-mark moths such as the small, brown and ringed are also seen here. Local butterflies include the green hairstreak, brown argus, speckled wood and brimstone. Snails include the Red Data Book Desmoulin's Whorl Snail.


Notable plants include fen ragwort, fen violet, great fen sedge Cladium mariscus, marsh pea and milk parsley. There are also a number of stonewort species present in the ditches and ponds.


The site is mainly noted for its plants and invertebrates, but many birds also can be seen, and these are particularly popular with visitors as they are often easier to observe than the more elusive insects and plants. Bird species recorded living at the site include great crested grebe, cormorant, gadwall, teal, sparrowhawk, water rail, kingfisher, snipe, woodcock, great spotted and green woodpeckers; and barn, little, tawny, long-eared and short-eared owls. Visiting birds include bittern, whooper swan, golden plover, garganey, pochard, goosander, marsh harrier, hen harrier, merlin and hobby. In season, it is most unlikely that visitors will fail to hear the 'drumming' of snipe.


Wicken Lode
Wicken Fen is divided by a man-made watercourse called "Wicken Lodemarker". The area north of Wicken Lode, together with a smaller area known as Wicken Poors' Fen and St.Edmunds Fen, forms the classic old, undrained fen. The designated National Nature Reserve of 269 hectares also includes the area around the Mere, to the south of Wicken Lode. These areas contain original peat fen with communities of carr and sedge. They support rare and uncommon fenland plants such as marsh pea, Cambridge milk parsley, fen violet and marsh fern. This part of the Fen can be enjoyed from a series of boardwalks (made from recycled plastic).

The area south of the Lode is called "Adventurers' Fen" and consists of rough pasture (grading from dry to wet grassland), reedbed and pools.

The dykes, abandoned clay pits and other watercourses carry a great wealth of aquatic plants and insects, many of which are uncommon elsewhere.


Although it is often described as a natural wilderness, it is neither—humans have been closely involved in the fen for centuries and the reserve is managed intensively to protect and maintain the delicate balance of species which has built up over the years. Much of the management tries to recreate the old systems of fen working which persisted for hundreds of years, allowing species to become dependent on the practices. For example the Sedge plant, Cladium mariscus, is harvested every year and sold for thatching roofs. The first recorded sedge harvest at Wicken was in 1414. Ever since then, sedge has been regularly cut. This has allowed a pattern of plants and animals to build up who depend on regular clearance of the sedge to survive. Many plants and animals are dependent upon regular management of vegetation in this way to keep their habitats going. Konik Ponies and Highland cattle have now been introduced to parts of the fen to prevent scrub from regrowing as a part of the management plan.

The present appearance of Wicken Fen is the result of centuries of management by human beings. Many of the practices now undertaken have changed little since medieval times. In surrounding areas, the landscape has changed so completely that it is almost impossible to imagine how it must once have all looked. Only a very few places survive where it is possible to experience this primitive landscape first hand; Wicken Fen is one of these.

Development of the reserve

The windpump
On 1 May 1899 the National Trust purchased two acres (8094 m²) for £10. The National Trust has been purchasing land as it becomes available for over a century. the reserve is over 7.7 square kilometres (770 hectares).

The Wicken Fen Vision

The Wicken Fen Vision is project of the National Trust to, over a 100 year period, expand the fen to a size of 56 km² (22 square miles). In 2001 a major acquisition was made with the purchase of Burwell Fen Farm (1.65 km²). In 2005, a 100ha turf farm, to be called Tubney Fen, was purchased. Latest purchases include Hurdle Hall Farm and Oily Hall Farm. The National Trust aims to acquire further land as it becomes available.

Enlargement of the reserve has faced criticism from some local residents of nearby settlements. An on-line petition entitled 'SaveOurFens' states 'We the undersigned petition the Prime Minister to Stop the National Trust flooding or junglefying our Cambridgeshire Fens!'. Concerns are centered around the issues of loss of agricultural land and increases in levels of local traffic and mosquito populations. A petition in favour of the scheme also exists ("wickenfenvision").

Vision Spine Route

As part of the Vision project, the National Trust in conjunction with Sustrans, are in the process of building a new sustainable transport route connecting Wicken Fen with Anglesey Abbeymarker. The new walking, cycle and horse riding route when complete will be 18 km long and bridge the gap in the existing Sustrans National Cycle Route 11 between Cambridge and Ely. The project includes the construction of a series of new bridges over the manmade waterways known as Lodesmarker. In July 2008, the new Swaffham Bulbeck Lode bridge and a half mile cycle and bridleway path across White Fen was opened. Upgrades to the crossing of the River Cam at Bottisham Lock and the bridge over Burwell Lode are planned as well as the construction of a new crossing over Reach Lode and of a cycle way across Burwell Fen.

The Spine Route is scheduled for completion in 2010 and has received funding of £600,000 from the Sustrans Connect2 scheme.


The Fen has been long associated with natural history. Many eminent Victorian naturalists collected beetles, moths and butterflies at Wicken Fen and some of their collections can still be found in Museums. From the 1920s onwards the fathers of modern ecology and conservation, the Cambridge botanists Sir Harry Godwin and Dr Arthur Tansley carried out their pioneering work on the reserve. One of the world's longest running science experiments, the Godwin Plots, continues at the Fen to this day. The Fen’s long association with science, especially nearby Cambridge Universitymarker, continues to the present day with scientists actively involved in the management of the reserve, and many hundreds of research papers published about the fen over more than a century. A Bibliography can be downloaded from the Wicken website and the latest Newsletter.


At nearby Spinney Abbeymarker Farm once stood an old priory. Local tales tell how monks can still be heard chanting in the still of the night, and that their ghosts have been seen. Strange lights are reputed to be visible, which could be either ghostly or just natural Will o' the wisp. These lights can be seen wandering from the farm to Spinney Bank, which is a bank now between Spinney Abbey and Wicken Fen. The most well-known legend is of the phantom black dog, sometimes known as Old Shuck or Black Shuck. This legend is a common one across East Anglia and is applied to many locations. The dog is said to have eyes the size of bike lamps and it is also said that, if anyone is unfortunate enough to meet the demonic dog and happens to look into its red/orange eyes, that are described as "burning like fire", then their death will soon follow.

The Fen is thought to be the resting place of PC Richard Peake, a policeman who disappeared on 18 August 1855, aged 24. He went missing from his beat at Wicken in the early hours in suspicious circumstances, having earlier been involved in a disturbance. It was suspected he was murdered by a local gang and hidden on the Fen, but his body was never found.


The Fen is open to the public. The site is open all year round from dawn to dusk except for Christmas Day. Some paths are closed in very wet weather, and some areas are inaccessible. However, there is a boardwalk, leading to two bird hides that is open all of the time. There are several bird hides and many miles of trails for visitors to follow. There is a visitor centre, shop and café. The visitor centre has a permanent exhibition of information about Wicken Fen, its history and ecological importance. The Fen Cottage is open on Sundays, showing the life of fen people at the turn of the last century.


  • Friday, L.E., ed. (1997). Wicken Fen: the making of a wetland nature reserve. Harley Books, Colchester.
  • Friday, L.E., Harley, B. (2000). Checklist of the Flora and Fauna of Wicken Fen. Harley Books, Colchester.

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