Bollihope, Pikestone, Eggleston and Woodland Fells is 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...

 in the Teesdale

Teesdale (district)

Teesdale was, from 1974 to 2009, a local government district in County Durham, England. Its council was based in Barnard Castle and it was named after the valley of the River Tees....

 district of west County Durham

County Durham

County Durham is a ceremonial county and unitary district in north east England. The county town is Durham. The largest settlement in the ceremonial county is the town of Darlington...

, 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...

. It covers a broad expanse of moorland

Moorland

Moorland or moor is a type of habitat, in the temperate grasslands, savannas, and shrublands biome, found in upland areas, characterised by low-growing vegetation on acidic soils and heavy fog...

 to the north and east of Middleton-in-Teesdale

Middleton-in-Teesdale

Middleton-in-Teesdale is a small market town in County Durham, in England. It is situated on the north side of Teesdale between Eggleston and Newbiggin, a few miles to the north west of Barnard Castle...

.

The site has a diverse mix of habitats, mainly dry heath

Heath (habitat)

A heath or heathland is a dwarf-shrub habitat found on mainly low quality acidic soils, characterised by open, low growing woody vegetation, often dominated by plants of the Ericaceae. There are some clear differences between heath and moorland...

, with wet heath and blanket-mire

Blanket bog

Blanket bog or blanket mire is an area of peatland, forming where there is a climate of high rainfall and a low level of evapotranspiration, allowing peat to develop not only in wet hollows but over large expanses of undulating ground. The blanketing of the ground with a variable depth of peat...

 in areas that are poorly drained.

The SSSI, which is situated within the North Pennines

North Pennines

The North Pennines is the northernmost section of the Pennine range of hills which runs north-south through northern England. It lies between Carlisle to the west and Darlington to the east...

 Area of Outstanding Natural Beauty

Area of Outstanding Natural Beauty

An Area of Outstanding Natural Beauty is an area of countryside considered to have significant landscape value in England, Wales or Northern Ireland, that has been specially designated by the Countryside Agency on behalf of the United Kingdom government; the Countryside Council for Wales on...

, shares a common boundary with the Upper Teesdale

Upper Teesdale

Upper Teesdale is a Site of Special Scientific Interest in the Teesdale district of west County Durham, England. It encompasses an extensive upland area that includes the headwaters of the River Tees and the surrounding catchment area upstream of the village of Langdon Beck.The site has a diverse...

 SSSI to the west, and adjoins Hamsterley Forest

Hamsterley Forest

Hamsterley Forest is a commercial forest in County Durham operated by the Forestry Commission. It is the largest forest in County Durham and covers more than 2000 hectares. Recreational activities are promoted within the forest and are focussed at the eastern end around the...

 on three sides.

The area supports breeding populations of a number of species of birds that are listed 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...

's Red Data Book (Birds)

Regional Red List

A Regional Red List is a report of the threatened status of species within a certain country or region. It is based on the IUCN Red List of Threatened Species, an inventory of the conservation status of species on a global scale...

, including three—merlin

Merlin (bird)

The Merlin is a small species of falcon from the Northern Hemisphere. A bird of prey once known colloquially as a pigeon hawk in North America, the Merlin breeds in the northern Holarctic; some migrate to subtropical and northern tropical regions in winter.-European and North American...

, Eurasian golden plover

Eurasian Golden Plover

The European Golden Plover is a largish plover. This species is similar to two other golden plovers. American Golden Plover, Pluvialis dominiica, and Pacific Golden Plover, Pluvialis fulva, are both smaller, slimmer and relatively longer-legged than European Golden Plover, and both have grey...

 and short-eared owl

Short-eared Owl

The Short-eared Owl is a species of typical owl . In Scotland this species of owl is often referred to as a cataface, grass owl or short-horned hootlet. Owls belonging to genus Asio are known as the eared owls, as they have tufts of feathers resembling mammalian ears. These "ear" tufts may or may...

—that are listed in Annex 1 of the European Commission's Birds Directive

Birds Directive

The Birds Directive is a European Union directive adopted in 2009. It replaces Council Directive 79/409/EEC of 2 April 1979 on the conservation of wild birds which was modified several times and had become very unclear...

as requiring special protection. The flora of the area includes a number of species that are scarce locally or nationally.