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.
Bradfield Woods is an 81.4-hectare (201-acre) biological Site of Special Scientific Interest between Bury St Edmunds and Stowmarket in Suffolk. The site is in three separate blocks, the adjoining Felsham Hall and Monkspark Woods, and the much smaller separate Hedge Wood and Chensil Grove. Felsham Hall and Monkspark Woods are designated a 63.3 National Nature Reserve, also called Bradfield Woods, and are managed by the Suffolk Wildlife Trust.
Combs Wood is a 15.1 hectares biological Site of Special Scientific Interest on the southern outskirts of Stowmarket in Suffolk. It is owned and managed by the Suffolk Wildlife Trust.
Abbey Wood, Flixton is an 18 hectare biological Site of Special Scientific Interest south—west of Bungay in Suffolk. It consists of two adjoining areas, the larger Abbey Wood to the north and the smaller Packway Wood to the south.
Barking Woods is a 98.7-hectare (244-acre) biological Site of Special Scientific Interest in six separate blocks north-east of Ipswich in Suffolk. Part of it is a 20-hectare (49-acre) nature reserve called Bonny Wood, which is owned and managed by the Suffolk Wildlife Trust.
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.
Brent Eleigh Woods is a 31.7-hectare (78-acre) biological Site of Special Scientific Interest south-east of Lavenham in Suffolk.
Burgate Wood is a 29.9-hectare (74-acre) biological Site of Special Scientific Interest in Suffolk. The site includes a medieval ringwork which is a Scheduled Monument.
Fakenham Wood and Sapiston Great Grove is a 200.7-hectare (496-acre) biological Site of Special Scientific Interest north of Sapiston in Suffolk.
Freston and Cutler's Woods with Holbrook Park is a 142 hectare biological Site of Special Scientific Interest south of Ipswich in Suffolk. The site is in the Suffolk Coast and Heaths Area of Outstanding Natural Beauty
Kentwell Woods is a 77.6-hectare (192-acre) biological Site of Special Scientific Interest in fifteen woods in fourteen separate blocks east and north-east of Glemsford in Suffolk.
Over and Lawn Woods is a 43.3-hectare (107-acre) biological Site of Special Scientific Interest north-west of Haverhill in Suffolk. It is listed by Natural England as a Suffolk site but most of Over Wood is in Cambridgeshire.
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.
Stanton Woods is a 66.1-hectare (163-acre) biological Site of Special Scientific Interest south of Stanton in Suffolk.
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.
Stoke Tunnel Cutting, Ipswich is a 2.2-hectare (5.4-acre) geological Site of Special Scientific Interest in Ipswich in Suffolk. It is a Geological Conservation Review site.
Rockhall Wood Pit, Sutton is a 5.3-hectare (13-acre) geological Site of Special Scientific Interest west of Shottisham in Suffolk. It is a Geological Conservation Review site both for its quaternary and neogene deposits.
Norton Wood is a 24.8-hectare (61-acre) biological Site of Special Scientific Interest south-east of Norton in Suffolk, England.
Thorpe Morieux Woods is a 45.2-hectare (112-acre) biological Site of Special Scientific Interest north of Thorpe Morieux in Suffolk. Part of it is Bull's Wood, a nature reserve managed by the Suffolk Wildlife Trust.
