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List of Sites of Special Scientific Interest in County Durham

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List of Sites of Special Scientific Interest in County Durham

Monk's Moor in Upper Teesdale, the largest SSSI in County Durham

This is a list of the Sites of Special Scientific Interest (SSSIs) in County Durham, England. It excludes SSSIs situated in that area south of the River Tyne that is now part of the metropolitan county of Tyne and Wear as well as the area north of the River Tees which, prior to 1996, formed part of the county of Cleveland.

As of July 2010, County Durham has 88 sites that have been designated as SSSIs, of which 67 have been designated for their biological interest, 16 for their geological interest, and 5 for both.[1]

Five of these sites are shared with an adjacent county:

Designation of SSSIs

Sites of Special Scientific Interest are areas that have been selected for special protection because of their floral, faunal or geological significance. The concept was first given a statutory basis in the National Parks and Access to the Countryside Act 1949, the relevant provisions of which were repeated in the Wildlife and Countryside Act 1981. Under the 1949 Act, responsibility for selecting and notifying SSSIs in England was delegated to the newly created Nature Conservancy, which was replaced in 1973 by the Nature Conservancy Council (NCC). In 1991, the NCC was split up, its responsibilities in England being passed to English Nature which, in turn, was amalgamated into a new body, Natural England, in 2006.

The process for establishing an SSSI is as follows: [2]

  • When a site has been identified, Natural England notifies the landowner, the occupier (if different) and the local planning authority (plus relevant government departments and agencies);
  • Owners and occupiers are given time to lodge objections or make representations concerning the restrictions imposed on an SSSI;
  • The Board of Natural England considers these responses and decides whether to confirm or withdraw the SSSI notification.

The initial notification of a site is accompanied by a citation sheet, which outlines the reasons for the notification: the data in the following list is summarised from these individual citation sheets.[3]

Reasons for notification as SSSI

Of the 88 SSSIs designated in County Durham, 67 have been designated for their biological interest, 16 for their geological interest, and five for both biological and geological interest.


While many of the SSSIs designated for biological reasons cover a variety of habitats, most have been designated primarily for one (or more) of a small number of reasons, as detailed in the individual citation sheets:[3]

  • Habitats
  • Moorland (upland heath and bogs) – Bollihope, Pikestone, Eggleston and Woodland Fells, Bowes Moor, Cotherstone Moor, Hexhamshire Moors, Lune Forest, Moorhouse and Cross Fell, Muggleswick, Stanhope and Edmundbyers Commons and Blanchland Moor, Upper Teesdale
  • Lowland heath – Green Croft and Langley Moor, Hesledon Moor West, Waldridge Fell
  • Wetlands (carr, fen, etc) – Burnhope Burn, Butterby Oxbow, Causey Bank Mires, Frog Wood Bog, Hell Kettles, Hesledon Moor East, Hesledon Moor West, Hisehope Burn Valley, Hulam Fen, Middleton Quarry, Pike Whin Bog, Pow Hill Bog, Railway Stell West, Redcar Field, The Carrs, Waldridge Fell, Witton-le-Wear
  • Semi-natural woodland – Backstone Bank and Baal Hill Woods, Baldersdale Woodlands, Brignall Banks, Castle Eden Dene, Derwent Gorge and Horsleyhope Ravine, Hawthorn Dene, Hisehope Burn Valley, Hunder Beck Juniper, Shipley and Great Woods, Slit Woods, Westernhope Burn Wood
  • Magnesian limestone grassland – Bishop Middleham Quarry, Cassop Vale, Charity Land, Dabble Bank, Durham Coast, Fishburn Grassland, Hawthorn Dene, Hesledon Moor East, Pig Hill, Pittington Hill, Quarrington Hill Grasslands, Raisby Hill Grassland, Sherburn Hill, The Bottoms, Thrislington Plantation, Town Kelloe Bank, Trimdon Limestone Quarry, Tuthill Quarry, Wingate Quarry
  • Hay meadows – Bowlees and Friar House Meadows, Cornriggs Meadows, Far High House Meadows, Grains o' th' Beck Meadows, Hannah's Meadows, Low Redford Meadows, Mere Beck Meadows, Middle Crossthwaite, Middle Side and Stonygill Meadows, Newton Ketton Meadow, Rigg Farm and Stake Hill Meadows, West Newlandside Meadows, West Park Meadows
  • Open water – Brasside Pond, The Carrs, Witton-le-Wear
  • Fauna
  • Breeding birds – Bollihope, Pikestone, Eggleston and Woodland Fells, Bowes Moor, Cotherstone Moor, Durham Coast, Hexhamshire Moors, Lune Forest, Moorhouse and Cross Fell, Muggleswick, Stanhope and Edmundbyers Commons and Blanchland Moor, Teesdale Allotments, Upper Teesdale
  • Invertebrates – Bishop Middleham Quarry, Cassop Vale, Durham Coast, Green Croft and Langley Moor, Hexhamshire Moors, Middleton Quarry, Moorhouse and Cross Fell, Pig Hill, Quarrington Hill Grasslands, Raisby Hill Grassland, Sherburn Hill, Thrislington Plantation, Town Kelloe Bank, Upper Teesdale, Waldridge Fell


The surface geology of County Durham is largely confined to rocks dating from the Carboniferous and Permian periods. In the west of the county, outcrops of Dinantian limestones are found in the river valleys, while the upland areas are underlain by the younger Namurian Millstone Grit Series. To the east, these rocks dip beneath the Westphalian Coal Measures, which underlay a broad swathe in the centre of the county. Further east, the Coal Measures are overlain by Permian Magnesian Limestone, which forms a low plateau across the eastern part of the county. Igneous intrusions are a prominent feature of the geology and gave rise to extensive mining for lead and other minerals, especially in the upper Weardale area in the west of the county.[4][5]

Although each SSSI designated for geological reasons has its own distinctive features, they fall into a small number of broad categories, as indicated in the individual citation sheets:[3]

  • Sedimentary – Botany Hill, Crag Gill, Crime Rigg, Durham Coast, Hawthorn Quarry, Raisby Hill Quarry, Rogerley Quarry, Sleightholme Beck Gorge – The Troughs, Stony Cut, Cold Hesledon, Trimdon Limestone Quarry, Yoden Village Quarry
  • Igneous – Greenfoot Quarry, Moorhouse and Cross Fell, Upper Teesdale, West Rigg Open Cutting
  • Mineralogy – Close House Mine, Foster's Hush, Moorhouse and Cross Fell, Old Moss Lead Vein, Upper Teesdale, West Rigg Open Cutting
  • Palaeontology – Middridge Quarry
  • Quaternary events – Durham Coast, Upper Teesdale
  • Geomorphology
  • Cave development – Fairy Holes Cave, God's Bridge, Moorhouse and Cross Fell
  • Coastal – Durham Coast
  • Periglacial – Moorhouse and Cross Fell
  • Fluvial – Moorhouse and Cross Fell

Area covered

From its inception, English Nature classified sites using the 1974–1996 county system. As Natural England uses the same system,[6] it is also adopted in the following list. As a result, some sites that lie within the ceremonial county of Durham and might therefore be expected to be listed here will be found instead in either the Cleveland or the Tyne and Wear lists.

For other counties, see List of SSSIs by Area of Search.


Site name Reason for designation Area[A] Grid reference[B] Year in which notified Map[C]
Biological interest Geological interest Hectares Acres
Backstone Bank and Baal Hill Woods Y 46.5 114.9 1987  Map 
Baldersdale Woodlands Y 19.6 48.4 1991  Map 
Bishop Middleham Quarry Y 8.6 21.3 1968  Map 
Bollihope, Pikestone, Eggleston and Woodland Fells Y 7,949.2 19,643.2 1996  Map 
Botany Hill Y 3.8 9.3 1984  Map 
Bowes Moor Y 4,457.7 11,014.9 1989  Map 
Bowlees and Friar House Meadows Y 5.6 13.9
1991  Map 
Brasside Pond Y 25.1 62.0 1966  Map 
Brignall Banks Y 85.0 210.0 1987  Map 
Burnhope Burn Y 5.1 12.6 1987  Map 
Butterby Oxbow Y 7.3 18.0 1957  Map 
Cassop Vale Y 40.9 101.0 1958  Map 
Castle Eden Dene Y 193.0 476.8 1984  Map 
Causey Bank Mires Y 6.8 16.8 1987  Map 
Charity Land Y 5.8 14.4 1999  Map 
Close House Mine Y 3.4 8.3 1995  Map 
Cornriggs Meadows Y 15.2 37.5 1989  Map 
Cotherstone Moor Y 2,449.5 6,050.1 1955  Map 
Crag Gill Y 2.3 5.7 1984  Map 
Crime Rigg and Sherburn Hill Quarries Y 23.2 57.4 1968  Map 
Dabble Bank Y 4.1 10.2 2002  Map 
[D] Y 49.0

1976  Map 
Durham Coast [E] Y Y 765.4 1,891.4 1960  Map 
Fairy Holes Cave Y 208.8 515.9 1961  Map 
Far High House Meadows Y 5.5 13.6 1990  Map 
Fishburn Grassland Y 1.1 2.8 1992  Map 
Foster's Hush Y 1.3 3.2  Map 
Frog Wood Bog Y 3.2 7.9 1989  Map 
God's Bridge Y 9.3 22.9 1986  Map 
Grains o' th' Beck Meadows Y 12.3 30.4 1989  Map 
Green Croft and Langley Moor Y 6.5

1989  Map 
Greenfoot Quarry Y 0.9 2.2 1984  Map 
Hannah's Meadows Y 7.1 17.5  Map 
Hawthorn Dene Y 64.1 158.4 1968  Map 
Hawthorn Quarry Y 9.8 24.2 1990  Map 
Hell Kettles Y 3.4 8.4 1976  Map 
Hesledon Moor East Y 6.0 14.8 1998  Map 
Hesledon Moor West Y 7.4 18.2 1984  Map 
Hexhamshire Moors [F] Y 9,433.9 23,311.7 1998  Map 
Hisehope Burn Valley Y 14.9 36.9
1988  Map 
Hulam Fen Y 0.2 0.5 1986  Map 
Hunder Beck Juniper Y 3.5 8.5 1994  Map 
Kilmond Scar Y 4.5 11.1 1963  Map 
Low Redford Meadows Y 9.3 22.9
1991  Map 
Lune Forest Y 6,333.4 15,650.3 1998  Map 
Mere Beck Meadows Y 6.6 16.3 1989  Map 
Middle Crossthwaite Y 24.1 59.5 1991  Map 
Middle Side and Stonygill Meadows Y 17.3 42.7
1991  Map 
Middleton Quarry Y 6.0 14.8 1964  Map 
Middridge Quarry Y 1.9 4.7 1979  Map 
Moorhouse and Cross Fell [G] Y Y 13,707.0 33,870.0 1951 / 1963  Map 
Muggleswick, Stanhope and Edmundbyers Commons and Blanchland Moor [H] Y 9,118.1 22,531.4
1997  Map 
Neasham Fen Y 2.5 6.1 1992  Map 
Newton Ketton Meadow Y 1.8 4.5 1989  Map 
Old Moss Lead Vein Y 0.6 1.5 1961  Map 
Park End Wood Y 10.3 25.5 1964  Map 
Pig Hill Y 12.6 31.2
1992  Map 
Pike Whin Bog Y 1.3 3.1 1984  Map 
Pittington Hill Y 6.4 15.8 1987  Map 
Pow Hill Bog Y 6.7 16.6 1986  Map 
Quarrington Hill Grasslands Y 4.5 11.1

2000  Map 
Railway Stell West Y 4.6 11.4 1986  Map 
Raisby Hill Grassland Y 15.1 37.4 1984  Map 
Raisby Hill Quarry Y 52.4 129.5 1957  Map 
Redcar Field Y 0.7 1.6 1985  Map 
Rigg Farm and Stake Hill Meadows Y 14.7 36.3 1989  Map 
Rogerley Quarry Y 5.6 13.8 1984  Map 
Sherburn Hill Y 16.7 41.2 1985  Map 
Shipley and Great Woods Y 63.4 156.5 1975  Map 
Sleightholme Beck Gorge - The Troughs Y Y 7.5 18.5 1976  Map 
Slit Woods Y 14.1 34.8 1976  Map 
Stony Cut, Cold Hesledon Y 0.8 2.1 1996  Map 
Teesdale Allotments Y 1,308.3 3,231.6 1994  Map 
The Bottoms Y 2.2 5.2 1999  Map 
The Carrs Y 12.9 31.9 1988  Map 
Thrislington Plantation Y 22.7 56.1 1962  Map 
Town Kelloe Bank Y 6.0 15.0 1976  Map 
Trimdon Limestone Quarry Y Y 0.8 2.0 1992  Map 
Tuthill Quarry Y 10.7 26.5 1994  Map 
Upper Teesdale Y Y 14,035.6 34,681.9 1951  Map 
Waldridge Fell Y 113.5 280.4 1965  Map 
West Newlandside Meadows Y 12.5 30.8 1990  Map 
West Park Meadows Y 6.7 16.6 1989  Map 
West Rigg Open Cutting Y 4.8 11.9 1989  Map 
Westernhope Burn Wood Y 11.8 29.1 1976  Map 
Wingate Quarry Y 23.4 57.7 1984  Map 
Witton-le-Wear Y 36.2 89.4 1966  Map 
Yoden Village Quarry Y 0.4 1.0 1988  Map 


A Data rounded to one decimal place.
B Grid reference is based on the British national grid reference system, also known as OSGB36, and is the system used by the Ordnance Survey.[7] Where an SSSI consists of multiple, non-contiguous sections, each section is assigned its own OS grid reference.
C Link to maps using the Nature on the Map service provided by Natural England.
D Natural England also lists Derwent Gorge and Horsleyhope Ravine under Northumberland.
E Natural England also lists Durham Coast under both Cleveland and Tyne and Wear.
F The grid reference for Hexhamshire Moors places it in Northumberland, not Durham; Natural England lists it under both counties.
G Natural England also lists Moorhouse and Cross Fell under Cumbria.
H Natural England also lists Muggleswick, Stanhope and Edmundbyers Commons and Blanchland Moor under Northumberland.


  1. ^ "Search results for Durham". Natural England. Retrieved 22 July 2010. 
  2. ^ "SSSIs – The designation process". Natural England. Retrieved 22 July 2010. 
  3. ^ a b c Natural England citation sheets for each SSSI. Retrieved on 2008-02-26. (PDF files).
    • "Backstone Bank and Baal Hill Woods" (PDF). 
    • "Baldersdale Woodlands" (PDF). 
    • "Bishop Middleham Quarry" (PDF). 
    • "Bollihope, Pikestone, Eggleston and Woodland Fells" (PDF). 
    • "Botany Hill" (PDF). 
    • "Bowes Moor" (PDF). 
    • "Bowlees and Friar House Meadows" (PDF). 
    • "Brasside Pond" (PDF). 
    • "Brignall Banks" (PDF). 
    • "Burnhope Burn" (PDF). 
    • "Butterby Oxbow" (PDF). 
    • "Cassop Vale" (PDF). 
    • "Castle Eden Dene" (PDF). 
    • "Causey Bank Mires" (PDF). 
    • "Charity Land" (PDF). 
    • "Close House Mine" (PDF). 
    • "Cornriggs Meadows" (PDF). 
    • "Cotherstone Moor" (PDF). 
    • "Crag Gill" (PDF). 
    • "Crime Rigg and Sherburn Hill Quarries" (PDF). 
    • "Dabble Bank" (PDF). 
    • "Derwent Gorge and Horsleyhope Ravine" (PDF). 
    • "Durham Coast" (PDF). 
    • "Fairy Holes Cave" (PDF). 
    • "Far High House Meadows" (PDF). 
    • "Fishburn Grassland" (PDF). 
    • "Foster's Hush" (PDF). 
    • "Frog Wood Bog" (PDF). 
    • "God's Bridge" (PDF). 
    • "Grains o' th' Beck Meadows" (PDF). 
    • "Green Croft and Langley Moor" (PDF). 
    • "Greenfoot Quarry" (PDF). 
    • "Hannah's Meadows" (PDF). 
    • "Hawthorn Dene" (PDF). 
    • "Hawthorn Quarry" (PDF). 
    • "Hell Kettles" (PDF). 
    • "Hesledon Moor East" (PDF). 
    • "Hesledon Moor West" (PDF). 
    • "Hexhamshire Moors" (PDF). 
    • "Hisehope Burn Valley" (PDF). 
    • "Hulam Fen" (PDF). 
    • "Hunder Beck Juniper" (PDF). 
    • "Kilmond Scar" (PDF). 
    • "Low Redford Meadows" (PDF). 
    • "Lune Forest" (PDF). 
    • "Mere Beck Meadows" (PDF). 
    • "Middle Crossthwaite" (PDF). 
    • "Middle Side and Stonygill Meadows" (PDF). 
    • "Middleton Quarry" (PDF). 
    • "Middridge Quarry" (PDF). 
    • "Moorhouse and Cross Fell" (PDF). 
    • "Muggleswick, Stanhope and Edmundbyers Commons and Blanchland Moor" (PDF). 
    • "Neasham Fen" (PDF). 
    • "Newton Ketton Meadow" (PDF). 
    • "Old Moss Lead Vein" (PDF). 
    • "Park End Wood" (PDF). 
    • "Pig Hill" (PDF). 
    • "Pike Whin Bog" (PDF). 
    • "Pittington Hill" (PDF). 
    • "Pow Hill Bog" (PDF). 
    • "Quarrington Hill Grasslands" (PDF). 
    • "Railway Stell West" (PDF). 
    • "Raisby Hill Grassland" (PDF). 
    • "Raisby Hill Quarry" (PDF). 
    • "Redcar Field" (PDF). 
    • "Rigg Farm and Stake Hill Meadows" (PDF). 
    • "Rogerley Quarry" (PDF). 
    • "Sherburn Hill" (PDF). 
    • "Shipley and Great Woods" (PDF). 
    • "Sleightholme Beck Gorge – The Troughs" (PDF). 
    • "Slit Woods" (PDF). 
    • "Stony Cut, Cold Hesledon" (PDF). 
    • "Teesdale Allotments" (PDF). 
    • "The Bottoms" (PDF). 
    • "The Carrs" (PDF). 
    • "Thrislington Plantation" (PDF). 
    • "Town Kelloe Bank" (PDF). 
    • "Trimdon Limestone Quarry" (PDF). 
    • "Tuthill Quarry" (PDF). 
    • "Upper Teesdale" (PDF). 
    • "Waldridge Fell" (PDF). 
    • "West Newlandside Meadows" (PDF). 
    • "West Park Meadows" (PDF). 
    • "West Rigg Open Cutting" (PDF). 
    • "Westernhope Burn Wood" (PDF). 
    • "Wingate Quarry" (PDF). 
    • "Witton-le-Wear" (PDF). 
    • "Yoden Village Quarry" (PDF). 
  4. ^ "The Durham Landscape" (PDF). Durham County Council. Retrieved 13 August 2010. 
  5. ^ "County Durham Local Development Framework Tech. Paper no. 20 – Minerals" (PDF). Durham County Council. April 2009. pp. 16–20. Retrieved 13 August 2010. 
  6. ^ "Search for SSSI details". Natural England. Retrieved 22 July 2010. 
  7. ^ "Guide to National Grid". Ordnance Survey. Retrieved 21 February 2008. 
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