Syon Park is the garden of Syon House, the London home of the Duke of Northumberland in Brentford in the London Borough of Hounslow. It was landscaped by Capability Brown in the 18th century, and it is Grade I listed by English Heritage under the Historic Buildings and Ancient Monuments Act 1953 for its special historic interest. The 56.6-hectare (140-acre) main gardens are a Site of Borough Importance for Nature Conservation, Grade I, and the flood meadows next to the River Thames are a biological Site of Special Scientific Interest (SSSI) and a Site of Metropolitan Importance for Nature Conservation.
Whitehorse Hill is a hill in the Berkshire Downs in Oxfordshire, England, west of Wantage. At 261 metres (856 ft), it is the highest point in Oxfordshire. Uffington Castle lies on the summit of the hill, and the Uffington White Horse is on the hill's northern slope. The hill and an adjacent area below, including Dragon Hill and The Manger, make up a 98.9-hectare (244-acre) biological and geological Site of Special Scientific Interest.
Dumsey Meadow is a 9.6-hectare (24-acre) biological Site of Special Scientific Interest between Chertsey and Shepperton in Surrey.
Chimney Meadows is a 49.6-hectare (123-acre) biological Site of Special Scientific Interest between Abingdon-on-Thames and Faringdon in Oxfordshire. It is also a national nature reserve, and part of the 308-hectare (760-acre) Chimney Meadows nature reserve, which is managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust.
Thorpe Hay Meadow is a 6.4-hectare (16-acre) biological Site of Special Scientific Interest west of Staines-upon-Thames in Surrey. It is owned and managed by the Surrey Wildlife Trust.
Brampton Meadow is a one hectare biological Site of Special Scientific Interest north-west of Brampton in Cambridgeshire, England.
Mickfield Meadow is a 1.9-hectare (4.7-acre) biological Site of Special Scientific Interest north of Mickfield in Suffolk. It is managed by the Suffolk Wildlife Trust.
Hunsdon Mead is a 34 hectare biological Site of Special Scientific Interest (SSSI) west of Harlow and east of Roydon in Essex. The site is partly in Essex and partly in Hertfordshire, and it is jointly owned and managed by the Essex Wildlife Trust and the Herts and Middlesex Wildlife Trust. The SSSI also includes part of the neighbouring Roydon Mead. The planning authorities are East Hertfordshire District Council and Epping Forest District Council. Hunsdon Mead is registered common land.
Frieth Meadows is a 2.5-hectare (6.2-acre) Site of Special Scientific Interest in Frieth in Buckinghamshire. It is in the Chilterns Area of Outstanding Natural Beauty.
Kingcup Meadows and Oldhouse Wood is a 13.2-hectare (33-acre) biological Site of Special Scientific Interest south of Denham in Buckinghamshire.
Poker's Pond Meadow is a 1.9-hectare (4.7-acre) biological Site of Special Scientific Interest south of Stoke Hammond in Buckinghamshire.
Tingewick Meadows is an 11.1-hectare (27-acre) biological Site of Special Scientific Interest south of Tingewick in Buckinghamshire.
Basildon Meadows is a 6.5-hectare (16-acre) biological Site of Special Scientific Interest on the southern outskirts of Basildon in Essex.
Belcher's and Broadfield Woods is a 14.4-hectare (36-acre) biological Site of Special Scientific Interest between Halstead and Braintree in Essex. It is managed by the Essex Wildlife Trust as the Brookes Nature Reserve.
Mill Meadows, Billericay is a 6.7-hectare (17-acre) biological Site of Special Scientific Interest (SSSI) in Billericay in Essex, England. It is part of the 36.8 hectare Mill Meadows Local Nature Reserve (LNR), which is owned and managed by Basildon District Council.
Mill Crook is a 5.9-hectare (15-acre) biological Site of Special Scientific Interest east of Towcester in Northamptonshire. Mill Crook and Grafton Regis Meadow are a 7.9-hectare (20-acre) nature reserve managed by the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire.
Calender Meadows is a 3.1-hectare (7.7-acre) biological Site of Special Scientific Interest north of Guilsborough in Northamptonshire.
Cowden Meadow is a 1.1-hectare (2.7-acre) biological Site of Special Scientific Interest east of Cowden in Kent.
Hook Meadow and The Trap Grounds is a 11.9-hectare (29-acre) biological Site of Special Scientific Interest on the northern outskirts of Oxford in Oxfordshire.
Ratlake Meadows is a 4.2-hectare (10-acre) biological Site of Special Scientific Interest north of Chandler's Ford in Hampshire.
