The Norfolk Wildlife Trust (NWT) is one of 46 wildlife trusts covering Great Britain, Northern Ireland, Isle of Man and Alderney. Founded in 1926, it is the oldest of all the trusts. It has over 35,500 members and eight local groups and it manages more than fifty nature reserves and other protected sites. It also gives conservation advice to individuals and organisations, provides educational services to young people on field trips and organises entertainment and information events at nature reserves. The NWT reserves include twenty-six Sites of Special Scientific Interests, nine national nature reserves, twelve Nature Conservation Review sites, sixteen Special Areas of Conservation, twelve Special Protection Areas, eleven Ramsar sites, two local nature reserves, four Geological Conservation Review sites and five which are in Areas of Outstanding Natural Beauty.
Knettishall Heath is a 91.7 hectare biological Site of Special Scientific Interest west of Knettishall in Suffolk. A larger area of 176 hectares is the Knettishall Heath Nature Reserve, which is managed by the Suffolk Wildlife Trust.
Kelling Heath is a 89.4-hectare (221-acre) biological Site of Special Scientific Interest between Holt and Weybourne in Norfolk. It is in the Norfolk Coast Area of Outstanding Natural Beauty.
Great Eastern Pingo Trail is a 9.2 kilometres long footpath along a disused railway line north of Thetford in Norfolk. It is a 4.2-hectare (10-acre) Local Nature Reserve, and it crosses three Sites of Special Scientific Interest, Thompson Water, Carr and Common, Breckland Forest and Cranberry Rough, Hockham. It also crosses Thompson Common, which is a nature reserve managed by the Norfolk Wildlife Trust and is a Nature Conservation Review site, Grade I. It further crosses Norfolk Valley Fens Special Area of Conservation and Breckland Special Protection Area.
Thompson Water, Carr and Common is a 154.7-hectare (382-acre) biological Site of Special Scientific Interest north of Thetford in Norfolk. Most of it is managed by the Norfolk Wildlife Trust as Thompson Common. It is a Nature Conservation Review site, Grade I, and part of the Norfolk Valley Fens Special Area of Conservation. It is crossed by the Great Eastern Pingo Trail Local Nature Reserve.
Buxton Heath is a 67.3-hectare (166-acre) biological Site of Special Scientific Interest north of Norwich in Norfolk. It is a Nature Conservation Review site, Grade 2, and part of the North Valley Fens Special Area of Conservation.
Sizewell Marshes form a 260-acre biological Site of Special Scientific Interest adjacent to Sizewell in Suffolk. It is in the Suffolk Coast and Heaths Area of Outstanding Natural Beauty, and is part of a 356-acre (144-ha) nature reserve managed by the Suffolk Wildlife Trust as Sizewell Belts.
East Wretham Heath is a 141.1-hectare (349-acre) biological Site of Special Scientific Interest south-east of Thetford in Norfolk. It is a Nature Conservation Review site, Grade I, and it is managed by the Norfolk Wildlife Trust. it is part of the Breckland Special Area of Conservation and Special Protection Area.
Weeting Heath is a 141.8-hectare (350-acre) biological Site of Special Scientific Interest west of Thetford in Norfolk, which is managed by the Norfolk Wildlife Trust. It is a Nature Conservation Review site, Grade I, and a National Nature Reserve. It is also part of the Breckland Special Area of Conservation and Special Protection Area.
Hoe Rough is a 12-hectare (30-acre) nature reserve north of Dereham in Norfolk. It is managed by the Norfolk Wildlife Trust, and is part of the Beetley and Hoe Meadows Site of Special Scientific Interest.
Roydon Common is a 194.9-hectare (482-acre) biological Site of Special Scientific Interest east of King's Lynn in Norfolk. It is also a Grade I Nature Conservation Review site, a National Nature Reserve and a Ramsar site. It is part of the Roydon Common and Dersingham Bog Special Area of Conservation and Roydon Common and Grimston Warren nature reserve, which is managed by the Norfolk Wildlife Trust,
Beetley and Hoe Meadows is an 11.4-hectare (28-acre) biological Site of Special Scientific Interest north of Dereham in Norfolk, United Kingdom. The site is in two nearby areas, and Hoe Meadow is part of Hoe Rough nature reserve, which is managed by the Norfolk Wildlife Trust
Booton Common'' is an 8.2-hectare (20-acre) biological Site of Special Scientific Interest north-west of Norwich in Norfolk. It is managed by the Norfolk Wildlife Trust and is a Special Area of Conservation
Lower Wood, Ashwellthorpe is a 37.9-hectare (94-acre) biological Site of Special Scientific Interest south-east of Wymondham in Norfolk. It is managed by the Norfolk Wildlife Trust.
Potter and Scarning Fens, East Dereham is a 6.2-hectare (15-acre) biological Site of Special Scientific Interest south of Dereham in Norfolk. It is part of the Norfolk Valley Fens Special Area of Conservation. Scarning Fen is a Nature Conservation Review site, Grade I, and it is managed by the Norfolk Wildlife Trust.
Swannington Upgate Common is a 20.5-hectare (51-acre) biological Site of Special Scientific Interest north-west of Norwich in Norfolk.
Syderstone Common is a 43.7-hectare (108-acre) biological Site of Special Scientific Interest west of Fakenham in Norfolk. An area of 24-hectare (59-acre) is managed by the Norfolk Wildlife Trust
Swangey Fen, Attleborough is a 48.4-hectare (120-acre) biological Site of Special Scientific Interest south-west of Attleborough in Norfolk. It is part of the Norfolk Valley Fens Special Area of Conservation.
