Burnham Beeches is a 374.6-hectare (926-acre) biological Site of Special Scientific Interest situated west of Farnham Common in the village of Burnham, Buckinghamshire. The southern half is owned by the Corporation of London and is open to the public. It is also a National Nature Reserve and a Special Area of Conservation.
Combe Bottom is a 42.1-hectare (104-acre) biological Site of Special Scientific Interest north of Shere in Surrey. It is designated a Local Nature Reserve called Shere Woodlands, and is managed by the Surrey Wildlife Trust.
St. Catherine's Hill is a chalk downland hill and 43-hectare (110-acre) biological Site of Special Scientific Interest on the outskirts of Winchester in Hampshire. It is owned by Winchester College but open to the public. It is managed by Hampshire and Isle of Wight Wildlife Trust, and most of it is an Iron Age hillfort, which is a Scheduled Monument.
Naphhill Common is a 71.1-hectare (176-acre) Site of Special Scientific Interest in Naphill in Buckinghamshire. It is in of the Chilterns Area of Outstanding Natural Beauty, and it is listed in A Nature Conservation Review. It is common land, with commoners' rights to estovers, grazing and firebote.
Tring Woodlands is a 23.8-hectare (59-acre) biological Site of Special Scientific Interest in Tring in Hertfordshire. It is part of the Chilterns Area of Outstanding Natural Beauty and the local planning authority is Dacorum District Council. The wood has a rich flora, showing that it is well established. It is a good example of a semi-natural beech wood in Hertfordshire. Plants that are abundant include woodruff, wood anemone and dog's mercury, and there are a variety of woodland birds. There is access to the wood from Hastoe Hill.
Homefield Wood is a 6.1-hectare (15-acre) 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 (7.2-acre) 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.
Millfield Wood is a 9.5-hectare (23-acre) 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 (40-acre) 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.
Widdenton Park Wood is a 23.5-hectare (58-acre) Site of Special Scientific Interest west of High Wycombe in Buckinghamshire. It is on the site of a medieval deer park going back to the fourteenth century, and most of it is in the Chilterns Area of Outstanding Natural Beauty.
Lambridge Wood is a 73.8-hectare (182-acre) biological Site of Special Scientific Interest north-west of Henley-on-Thames in Oxfordshire. It is in the Chilterns Area of Outstanding Natural Beauty.
Charing Beech Hangers is a 52.6-hectare (130-acre) biological Site of Special Scientific Interest north of Ashford in Kent.
St Leonard's Forest SSSI is an 85.4-hectare (211-acre) biological Site of Special Scientific Interest east of Horsham in West Sussex. The SSSI is in two separate areas, with the western part being in the 289-hectare (710-acre) Forestry Commission managed St Leonard's Forest.
Bear, Oveys and Great Bottom Woods is a 64.1-hectare (158-acre) biological Site of Special Scientific Interest west of Henley-on-Thames in Oxfordshire.
Buckland Warren is a 0.04-hectare (0.099-acre) biological Site of Special Scientific Interest (SSSI) east of Faringdon in Oxfordshire.
Pishill Woods is a 42.8-hectare (106-acre) biological Site of Special Scientific Interest north of Nettlebed in Oxfordshire.
Stonesfield Common, Bottoms and Banks is a 27.45-hectare (67.8-acre) biological Site of Special Scientific Interest (SSSI) south of Stonesfield in Oxfordshire.
Crab Wood is a 73-hectare (180-acre) biological Site of Special Scientific Interest west of Winchester in Hampshire. An area of 37.8 hectares is also a Local Nature Reserve.
Shortheath Common is a 59.5-hectare (147-acre) biological Site of Special Scientific Interest east of Bordon in Hampshire. It is also a Local Nature Reserve and a Special Area of Conservation.
