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.
Ivinghoe Beacon is a prominent hill and landmark in Buckinghamshire, England, 233 m (757 ft) above sea level in the Chiltern Hills, close to Ivinghoe and Aldbury. Dunstable, Berkhamsted and Tring are nearby.
Pitstone is a village and civil parish in Buckinghamshire, England, at the foot of the Chiltern Hills 6 miles (10 km) east of Aylesbury and 5 miles (8 km) south of Leighton Buzzard. It adjoins the village of Ivinghoe.
Ringshall is a hamlet in the Chiltern Hills of England. It is located on the border of the counties of Buckinghamshire and Hertfordshire; parts of the village lie in the civil parishes of Edlesborough and Ivinghoe in eastern Buckinghamshire, while the rest of the village is mainly within the parish of Little Gaddesden in the west of Hertfordshire. Ringshall lies within the HP4 postcode and the postal address designated by Royal Mail is "Ringshall, Berkhamsted".
Windsor Hill is a 61.8 hectare biological Site of Special Scientific Interest in Princes Risborough in Buckinghamshire. It lies within the Chilterns Area of Outstanding Natural Beauty, and it is featured in the Nature Conservation Review. A small part is managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust, and access to this area requires a permit.
Ashridge Commons and Woods is a 640.1 hectare biological Site of Special Scientific Interest in Buckinghamshire and Hertfordshire. It is located in Little Gaddesden, and is part of the National Trust Ashridge Estate in the Chilterns Area of Outstanding Natural Beauty.
Kings and Bakers Woods and Heaths is a 212.8 hectare Site of Special Scientific Interest (SSSI) between Heath and Reach in Bedfordshire and Great Brickhill in Buckinghamshire. The site is mainly in Bedfordshire but includes Rammamere Heath in Buckinghamshire. It was notified in 1984 under Section 28 of the Wildlife and Countryside Act 1981, and the local planning authorities are Central Bedfordshire Council and Aylesbury Vale Council. Part of it is a National Nature Reserve, and part of it is a nature reserve managed by the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire. it is also a Nature Conservation Review site.
Galley and Warden Hills is a 47 hectare biological Site of Special Scientific Interest in Warden Hill, a suburb of Luton in Bedfordshire. The local planning authority is Central Bedfordshire Council, and it was notified in 1986 under Section 28 of the Wildlife and Countryside Act 1981. It is also a Local Nature Reserve.
Pitstone Hill is a 22.9 hectare biological Site of Special Scientific Importance east of Pitstone in Buckinghamshire. It is in the Chilterns Area of Outstanding Natural Beauty, and is crossed by the Ridgeway National Trail.
Bacombe and Coombe Hills is a 76.4 hectare biological Site of Special Scientific Interest in Upper Bacombe in Buckinghamshire. Bacombe Hill was formerly owned by Buckinghamshire County Council, which transferred it to Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust in 2014. Coombe Hill is owned by the National Trust.
Bradenham Woods, Park Wood and The Coppice is a 129.1 hectare biological Site of Special Scientific Interest in Bradenham in Buckinghamshire. It is in the Chilterns Area of Outstanding Natural Beauty, and it is described in A Nature Conservation Review. The site is part of the Bradenham Estate, which is owned by the National Trust. It is also designated a Special Area of Conservation. Grim's Ditch, a Scheduled Monument, runs through the site.
Ellesborough and Kimble Warrens is a 68.9 hectare biological Site of Special Scientific Interest in Ellesborough in Buckinghamshire. The local planning authority is Wycombe District Council. It is part of the Chilterns Area of Outstanding Natural Beauty.
Grangelands and Pulpit Hill is a 25.5 hectare biological Site of Special Scientific Interest in Cadsden in Buckinghamshire. It lies within the Chilterns Area of Outstanding Natural Beauty, and the planning authorities are Wycombe District Council and Buckinghamshire County Council.
Hollowhill and Pullingshill Woods is a 23-hectare biological Site of Special Scientific Interest near Marlow in Buckinghamshire. It is in the Chilterns Area of Outstanding Natural Beauty, and the Chilterns Beechwoods Special Area of Conservation. The local planning authorities are Wycombe District Council and Buckinghamshire County Council. Pullingshill Wood is owned by the Woodland Trust, and Hollowhill Wood was formerly owned by Buckinghamshire County Council, but was transferred to the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust. Since November 2015 the 7.8-hectare site has been managed by the Trust as "Hog and Hollowhill Woods".
Homefield Wood is a 6.1 hectare Site of Special Scientific Interest in Hambleden in Buckinghamshire. It is owned by the Forestry Commission, and managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust. It is part of the Chilterns Area of Outstanding Natural Beauty.
Aston Clinton Ragpits is a 2.9 hectare biological Site of Special Scientific Interest in Aston Clinton in Buckinghamshire. It is a former chalk quarry, which is now a nature reserve managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust. It is in the Chilterns Area of Outstanding Natural Beauty.
Dancersend is an 81.3 hectare Site of Special Scientific Interest (SSSI) south of Aston Clinton in Buckinghamshire. Part of the site is managed by the Forestry Commission and part by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust (BBOWT). The BBOWT's 47 hectare nature reserve, called Dancersend with Pavis Woods, extends into fields west of the SSSI. It is in the Chilterns Areas of Outstanding Natural Beauty.
Millfield Wood is a 9.5 hectare biological Site of Special Scientific Interest north of High Wycombe in Buckinghamshire. It is owned and managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust, and it is in the Chilterns Areas of Outstanding Natural Beauty.
Swain's Wood is a 16.2 hectare biological Site of Special Scientific Interest west of Turville in Buckinghamshire. It is in the Chilterns Area of Outstanding Natural Beauty, and is managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust.
