Suffolk Wildlife Trust (SWT) describes itself as the county's "nature charity – the only organisation dedicated wholly to safeguarding Suffolk's wildlife and countryside." It is a registered charity, and its headquarters is at Brooke House in Ashbocking, near Ipswich. It was founded in 1961, and is one of 46 wildlife trusts covering the Great Britain and Northern Ireland. As of March 2017, it has 13,200 members, and it manages 3,120 hectares of land in 60 nature reserves, most of which are open to the public. It had an income of £3.9 million in the year to 31 March 2017.
Deben Estuary SSSI is a 981.1-hectare (2,424-acre) biological Site of Special Scientific Interest (SSSI) covering the River Deben and its banks 12 kilometres from its mouth north of Felixstowe to Woodbridge in Suffolk. It is a Ramsar internationally important wetland site and a Special Protection Area under the European Union Directive on the Conservation of Wild Birds. It is also in the Suffolk Coast and Heaths Area of Outstanding Natural Beauty. It partly overlaps two geological SSSIs, Ferry Cliff, Sutton and Ramsholt Cliff.
Alde–Ore Estuary is a 2,534 hectare biological and geological Site of Special Scientific Interest which stretches along the Suffolk coast between Aldeburgh and Bawdsey, and also includes parts of the Alde, Ore and Butley Rivers. It is in the Suffolk Coast and Heaths Area of Outstanding Natural Beauty, and is a Grade I Nature Conservation Review site, a Special Area of Conservation, a Ramsar internationally important wetland site, and a Special Protection Area under the European Union Directive on the Conservation of Wild Birds. It includes two Geological Conservation Review sites, "Orfordness and Shingle Street" and "The Cliff, Gedgrave", and two nature reserves managed by the Suffolk Wildlife Trust, Alde Mudflats and Simpson's Saltings. The coastal part of the site is Orfordness-Havergate, a National Nature Reserve, and Orford Ness is managed by the National Trust, while Havergate Island is managed by the Royal Society for the Protection of Birds.
Blaxhall Common is a nature reserve in the parish of Blaxhall in the East Suffolk District of Suffolk. The reserve is owned by Blaxhall Parish Council and managed by Suffolk Wildlife Trust. It is designated a 45.9-hectare (113-acre) biological Site of Special Scientific Interest as Blaxhall Heath. It is part of the Sandlings Special Protection Area under the European Union Directive on the Conservation of Wild Birds, and of the Suffolk Coast and Heaths Area of Outstanding Natural Beauty. A Bronze Age bowl barrow is a Scheduled Monument.
Sutton and Hollesley Heaths is a 483.3-hectare (1,194-acre) biological Site of Special Scientific Interest south-east of Woodbridge in Suffolk. Most of the site is managed by the Suffolk Wildlife Trust as Sutton and Hollesley Commons. It is part of the Sandlings Special Protection Area under the European Union Directive on the Conservation of Wild Birds, and the Suffolk Coast and Heaths Area of Outstanding Natural Beauty.
Bixley Heath is a 5.1-hectare (13-acre) biological Site of Special Scientific Interest on the eastern outskirts of Ipswich in Suffolk. It is also a Local Nature Reserve owned and managed by Ipswich Borough Council.
Iken Wood is a 5.3-hectare (13-acre) biological Site of Special Scientific Interest south of Snape in Suffolk. It is in the Suffolk Coast and Heaths Area of Outstanding Natural Beauty.
Red House Farm Pit is a 0.5-hectare (1.2-acre) geological Site of Special Scientific Interest east of Wickham Market in Suffolk. It is a Geological Conservation Review site, and in the Suffolk Coast and Heaths Area of Outstanding Natural Beauty.
Valley Farm Pit, Sudbourne is a 0.5-hectare (1.2-acre) geological Site of Special Scientific Interest north of Orford in Suffolk. It is a Geological Conservation Review site, and in the Suffolk Coast and Heaths Area of Outstanding Natural Beauty.
Aldeburgh Brick Pit is a 0.9-hectare (2.2-acre) geological Site of Special Scientific Interest in Aldeburgh in Suffolk. It is a Geological Conservation Review site, and it is in the Suffolk Coast and Heaths Area of Outstanding Natural Beauty.
Aldeburgh Hall Pit is a one hectare geological Site of Special Scientific Interest in Aldeburgh in Suffolk. It is a Geological Conservation Review site, and it is in the Suffolk Coast and Heaths Area of Outstanding Natural Beauty.
Sudbourne Park Pit is a 1.1-hectare (2.7-acre) geological Site of Special Scientific Interest between Orford and Chillesford in Suffolk. It is a Geological Conservation Review site, and it is in the Suffolk Coast and Heaths Area of Outstanding Natural Beauty.
Leiston - Aldeburgh is a 534.8-hectare (1,322-acre) biological Site of Special Scientific Interest which stretches from Aldeburgh to Leiston in Suffolk. Part of it is The Haven, Aldeburgh Local Nature Reserve, and another area is the North Warren RSPB nature reserve. There is also a prehistoric bowl barrow on Aldringham Common, which is a Scheduled Monument. The site is in the Sandlings Special Protection Area under the European Union Directive on the Conservation of Wild Birds, and the Suffolk Coast and Heaths Area of Outstanding Natural Beauty.
Orwell Estuary is a 1,335.7 hectare biological Site of Special Scientific Interest which stretches along the River Orwell and its banks between Felixstowe and Ipswich in Suffolk. It is part of the Stour and Orwell Estuaries Ramsar site internationally important wetland site and Special Protection Area under the European Union Directive on the Conservation of Wild Birds. It is also in the Suffolk Coast and Heaths Area of Outstanding Natural Beauty.
Sandlings Forest is a 2,483.8 hectare biological Site of Special Scientific Interest in two large blocks, Rendlesham Forest and Tunstall Forest, and two small ones, between Woodbridge and Aldeburgh in Suffolk. It is partly in the Sandlings Special Protection Area under the European Union Directive on the Conservation of Wild Birds. It is in the Suffolk Coast and Heaths Area of Outstanding Natural Beauty.
Staverton Park and The Thicks, Wantisden is an 80.8-hectare (200-acre) biological Site of Special Scientific Interest west of Butley in Suffolk. It is a Nature Conservation Review site, Grade I, and a Special Area of Conservation. It is in the Suffolk Coast and Heaths Area of Outstanding Natural Beauty.
Crag Pit, Sutton is a 0.7-hectare (1.7-acre) biological Site of Special Scientific Interest north of Shottisham in Suffolk. It is in the Suffolk Coast and Heaths Area of Outstanding Natural Beauty.
Ramsholt Cliff is a 2.1-hectare (5.2-acre) geological Site of Special Scientific Interest north-west of Ramsholt in Suffolk. It is a Geological Conservation Review site, and it is in the Suffolk Coast and Heaths Area of Outstanding Natural Beauty.
