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.
Bradfield Woods is an 81.4 hectare 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.
Arger Fen is a 49.7 hectare biological Site of Special Scientific Interest (SSSI) south-east of Sudbury in Suffolk, England. The site occupies two separate areas. The 17.6-hectare (43-acre) Arger Fen Local Nature Reserve is part of the larger eastern block, and contains part of the 21-hectare (52-acre) Tiger Hill Local Nature Reserve, along with part of the 110-hectare (270-acre) Arger Fen and Spouse's Vale, a nature reserve managed by the Suffolk Wildlife Trust. The site lies in the Dedham Vale Area of Outstanding Natural Beauty,
Foxley Wood is a nature reserve in Foxley, Norfolk, England, the largest ancient woodland and coppice in Norfolk. The Norfolk Wildlife Trust, which manages this reserve, bought it in 1998. It is 123 hectares in size. It is a Site of Special Scientific Interest, a Nature Conservation Review site, Grade 2, and a National Nature Reserve.
Bixley Heath is a 5.1 hectare 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.
Gunton Warren and Corton Woods is a 31.9 hectare Local Nature Reserve in Lowestoft in Suffolk. The site is owned by Waveney District Council, and Gunton Warren is managed by the Suffolk Wildlife Trust while Corton Woods are managed by local volunteers of the Corton Woods Project.
Gunton Wood is a 2.8 hectare Local Nature Reserve in Lowestoft in Suffolk. It is owned by Waveney District Council and managed by the Gunton Wood Community Project.
Barking Woods is a 98.7 hectare biological Site of Special Scientific Interest in six separate blocks north-east of Ipswich in Suffolk. Part of it is a 20 hectare nature reserve called Bonny Wood, which is owned and mangaged by the Suffolk Wildlife Trust.
Maidscross Hill is a 44.8 hectare biological Site of Special Scientific Interest on the eastern outskirts of Lakenheath in Suffolk. It is a Nature Conservation Review site, Grade I, and larger area of 49.8 hectares is a Local Nature Reserve.
Aspal Close is an 18.9 hectare Local Nature Reserve in Beck Row in Suffolk. It is owned by West Suffolk District Council and managed by the council together with Aspal Close Management Committee.
Church Meadow is a 3.8 hectare Local Nature Reserve on the southern outskirts of Stowmarket in Suffolk. It is owned and managed by Mid Suffolk District Council.
Rede Wood is a 7.5 hectare Local Nature Reserve east of Claydon in Suffolk, England. It was formerly owned by Suffolk County Council, which sold it to a private owner in 2012. It is managed under an agreement between the owner and the council.
Tiger Hill is a 21 hectare Local Nature Reserve between Bures St Mary and Leavenheath in Suffolk. It is owned by Suffolk County Council and managed by the Tiger Hill LNR Management Committee. The site is in the Dedham Vale Area of Outstanding Natural Beauty, and most of it is part of the Arger Fen Site of Special Scientific Interest.
Broom Hill, Hadleigh is a 9.6 hectare Local Nature Reserve in Hadleigh in Suffolk. It is owned and managed by Babergh District Council.
Riverside Walk is a 4.6-hectare Local Nature Reserve on the western outskirts of Hadleigh in Suffolk. It is owned and managed by Babergh District Council.
Bridge Wood is a 31 hectare Local Nature Reserve on the southern outskirts of Ipswich in Suffolk, England. It is owned and managed by Ipswich Borough Council, and is part of Orwell Country Park.
Stoke Park Wood is a 2.2 hectare Local Nature Reserve in Ipswich in Suffolk. It is owned and managed by Ipswich Borough Council.
The Dales Open Space is a 5.9 hectare Local Nature Reserve in Ipswich in Suffolk. It is owned and managed by Ipswich Borough Council.
Mill Stream Nature Reserve is a 4.7 hectare Local Nature Reserve in Rushmere St Andrew on the eastern outskirts of Ipswich in Suffolk. It is owned by Suffolk Coastal District Council and managed by the council together with Rushmere St Andrew Parish Council and The Greenways Countryside Project.
